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1. -/3.57 points LarinterAlg6 1.4.011.
Identify the terms and coefficients of the algebraic expression. (Enter your answers as a comma-separated list.)
xy - 2x2y +9y2
terms
Xy, - 212972
coefficients
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2.-13.57 points LarinterAlg6 1.4.024.
Simplify the expression by combining like terms.
-4a + 16b - 3a - b
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3. -/3.57 points LarinterAlg6 1.4.037.
Simplify the expression.
-5(3y - 1) + 7(y - 4)
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4. -/3.57 points LarinterAlg6 1.4.038.MI.
Simplify the expression.
5(a + 6) - 6(2a - 1)
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5
.-/3.57 points
Larinter Alg6 1.4.043.
Simplify the expression.
3a - [y - 8(8a -9)]
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6
.-/3.57 points Larinter Alg6 1.4.044.
Simplify the expression.
18b - [9 - 9(2b-9)]
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7.-/3.57 points Larinter Alg6 1.4.055.
Evaluate the expression for the specified values of the variable. (If an answer is undefined, enter UNDEFINED.)
y2-y + 5
(a)
y = 6
(b)
y = -6
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8. -/3.57 points LarinterAlg6 1.4.054.
Evaluate the expression for the specified values of the variable. (If an answer is undefined, enter UNDEFINED.)
3y2 + 10
(a)
y = -2
(b) y = }
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our
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9
.-/3.57 points LarinterAlg6 1.4.079.
Identify the property of algebra illustrated by the statement.
(5-4)= 5x - 4x
Commutative Property of Addition
Commutative Property of Multiplication
Associative Property of Addition
Associative Property of Multiplication
Distributive Property
. Additive Identity Property
Multiplicative Identity Property
Additive Inverse Property
Multiplicative Inverse Property
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10.
My Notes Ask Your Teacher
-/3.57 points LarInterAlg6 1.4.091.
Evaluate the expression for the specified values of the variables.
x2 + y2
(a) x = 0, y = 5
(b) X = 1, y = -2
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11
.-/3.57 points LarInterAlg6 1.4.093.
Find the volume of the rectangular solid by evaluating the expression lwh for the dimensions given in the figure.
ft
7
6
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12.
My Notes
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-/3.57 points LarinterAlg6 1.5.006.
Translate the verbal phrase into an algebraic expression.
Eleven decreased by four times a number n
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13. -/3.57 points LarinterAlg6 1.5.053.
Write expressions for the perimeter and area of the region. Simplify the expressions.
perimeter
area
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our
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14. -/3.57 points LarInterAlg6 1.5.057.
Write an algebraic expression that represents the specified quantity, and simplify, if possible.
The sum of three consecutive integers, the first of which is n
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15
.-/3.57 points LarinterAlg6 2.3.017.
A shoe store sells a pair of athletic shoes for $79. The shoes go on sale for $49. What is the discount?
$
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16.
My Notes
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-/3.57 points LarinterAlg6 2.3.022.
Determine the numbers of units of solutions 1 and
solution 1
L
solution 2
L
needed to obtain a final solution of the specified amount and concentration.
Concentration
of Solution 1
Concentration
of Solution 2
Concentration Amount
of Final of Final
Solution Solution
65%
5 L
50%
75%
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17. -/3.57 points Larinter Alg6 2.3.026.
My Notes
A grocer mixes two kinds of nuts costing $5.41 per pound and $6.41 per pound to make 100 pounds of mixture costing $5.81 per pound. How many pounds of each kind of nut are in the mixture?
lb at $5.41
Ib at $6.41
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18
.-/3.57 points Larinter Alg6 2.2.004.
Complete the table showing the equivalent forms of the percent.
Parts out
Percent of 100 Decimal Fraction
60%
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19. -/3.57 points LarinterAlg6 2.2.011.
Solve using a percent equation.
What is 30% of 275?
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20.
My Notes Ask Your Teacher
-/3.57 points
LarinterAlg6 2.2.021.
Solve using a percent equation.
90 is 24% of what number?
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21. -/3.57 points LarinterAlg6 2.2.027
Solve using a percent equation.
341 is what percent of 550?
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22.
My Notes
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|-/3.57 points Larinter Alg6 2.2.032.
Solve using a percent equation.
990 is what percent of 550?
%
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23.
My Notes Ask Your Teacher
-/3.57 points LarinterAlg6 2.2.033.
A real estate agency receives a commission of $11,400 for the sale of a $190,000 house. What percent commission is this?
%
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24.
My Notes Ask Your Teacher
-/3.57 points
LarInterAlg6 2.2.072.
Solve the proportion.
y+1 -1
35 21
y =
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25.
My Notes Ask Your Teacher
-/3.57 points LarinterAlg6 2.2.076.
You want to leave a 20% tip for a meal that costs $47.49. How much should you leave? (Round your answer to the nearest cent.)
$
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26.
My Notes
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-/3.57 points LarinterAlg6 2.1.035.
Solve the equation. Check your solution.
= 1
.
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27. -/3.57 points LarinterAlg6 2.1.036.
Solve the equation. Check your solution.
응 + + = 1
ta
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28.
My Notes
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-/3.61 points LarinterAlg6 2.1.038.
Solve the equation. Check your solution.
15x
+ = 2x
8 8
X=
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1. -14 points LarInterAlg6 5.1.001.
Use the rules of exponents to simplify the expression.
(uv)(602)
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2. -14 points LarinterAlg6 5.1.003.
Use the rules of exponents to simplify the expression.
-6(xº?
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3. -14 points LarinterAlg6 5.1.006.
Use the rules of exponents to simplify the expression.
(-2274
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4
.-/4 points Larinter Alg6 5.1.008.
Use the rules of exponents to simplify the expression.
(39)3(272)
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5. -14 points
LarinterAlg6 5.1.009.
Use the rules of exponents to simplify the expression.
6m5n8
2mn2
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6. -14 points LarinterAlg6 5.1.010.
Use the rules of exponents to simplify the expression.
-6m4n7
- 2mn
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7
My Notes Ask Your Teacher
-14 points LarInterAlg6 5.1.011.
Use the rules of exponents to simplify the expression.
8а
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8. -14 points LarInterAlg6 5.1.016.
Use the rules of exponents to simplify the expression.
(-2xy92
6y2
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9. -14 points
LarInterAlg6 5.1.017.
Use the rules of exponents to evaluate the expression.
(-9)
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10. -14 points LarinterAlg6 5.1.019.
Use the rules of exponents to evaluate the expression.
5-2
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11.-14 points LarinterAlg6 5.1.020.MI.
Use the rules of exponents to evaluate the expression.
4-2
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12.
My Notes Ask Your Teacher
-14 points LarinterAlg6 5.1.042.
Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)
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13. -14 points LarinterAlg6 5.1.046.
Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)
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14.
My Notes Ask Your Teacher
-14 points LarinterAlg6 5.1.047.
Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)
3xy-9
6x-by
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15.
My Notes Ask Your Teacher
-14 points
LarinterAlg6 5.1.048.
Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)
4y-17-8
82-8
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16. -14 points LarinterAlg6 5.1.049.
Rewrite the expression using only positive exponents, and simplify. (Assume that any variables in the expression are nonzero.)
-2
2u2r-1
24u-1,4
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17.
My Notes Ask Your Teacher
-14 points LarInterAlg6 5.3.033.
Use a special product formula to find the product. (Simplify your answer completely.)
(x - 9)(x + 9)
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18. -14 points Larinter Alg6 5.3.036.
Use a special product formula to find the product. (Simplify your answer completely.)
(4 + 5z)(4 - 5z)
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19. -14 points LarinterAlg6 5.3.039.
Use a special product formula to find the product. (Simplify your answer completely.)
(x + 7)2
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20. -14 points LarInterAlg6 5.3.020.
Use the FOIL Method to find the product. (Simplify your answer completely.)
(4x + 2)(3x + 2)
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21.
My Notes Ask Your Teacher
-14 points LarinterAlg6 5.3.017.
Use the FOIL Method to find the product. (Simplify your answer completely.)
(2x -8)(x + 7)
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22.
My Notes Ask Your Teacher
-14 points LarinterAlg6 5.3.022,
Use the FOIL Method to find the product. (Simplify your answer completely.)
(4x - 4)(-3x2 + 3)
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23. -14 points LarinterAlg6 5.3.023.
Write the polynomials in standard form and use a vertical format to find the product. (Simplify your answer completely.)
(4x + 1)(8 - 11x + 3x2)
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24. -14 points LarinterAlg6 5.3.037.
Use a special product formula to find the product. (Simplify your answer completely.)
(6x - 9y)(6x + 9y)
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25. -14 points LarInterAlg65.3.041.
Use a special product formula to find the product. (Simplify your answer completely.)
(x - 11)2
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IT a Tutor
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1
.-/5 points LarlAlg5 7.1.002.
Find the root if it exists. See Example 1. (If the solution is not a real number, enter NOT REAL.)
49
Need Help?
My Notes Ask Your Teacher
2
.-/5 points
LarlAlg5 7.1.008.
Find the root if it exists. See Example 1. (If the solution is not a real number, enter NOT REAL)
--1
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3
.-/5 points LarlAlg5 7.1.010.
State whether the number is a perfect square, a perfect cube, or neither. See Example 2.
-27
perfect square
perfect cube
neither
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4
.-/5 points LarlAlg5 7.1.024.
Find all of the cube roots of the perfect cube.
-8
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5
.-/5 points Lar Alg5 7.1.030.
Find all of the cube roots of the perfect cube.
-0.125
Need Help? The Tube
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6
.-/5 points LarlAlg5 7.2.002.
Simplify the radical. (Do not use a calculator.) See Example 1.
127
Need Help?
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7
.-/5 points LarlAlg5 7.2.006.
Simplify the radical. (Do not use a calculator.) See Example 1.
776
Need Help? START
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Your Teacher
8
.-/5 points
LarlAlg5 7.2.012
Simplify the radical. (Do not use a calculator.) See Example 1.
V0.36
Need Help? Ta Tu
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9
.-/5 points LarlAlg5 7.2.020.MI.
Simplify the radical expression. See Examples 2-6.
16x3
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10
.-/5 points LariAlg5 7.2.020.MI.SA.
My Notes Ask Your Teacher
This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.
Tutorial Exercise
Simplify the radical expression. See Examples 2-6.
149x3
Click here to begin!
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11. -/5 points Lar Alg5 7.2.024.
Simplify the radical expression. See Examples 2-6.
V360x8
Need Help? Ten Tue
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12. -75 points
LariAlg5 7.3.002.
Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.)
4V3-273
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13. -/5 points LarlAlg5 7.3.018.
Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.)
3/3 - 6 13 +13 + 7413
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14
.-/5 points LarlAlg5 7.3.020.MI.
Combine the radical expressions, if possible. See Examples 1-3. (If not possible, enter IMPOSSIBLE.)
8V18 - 32
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15. -/5 points LarlAlg5 7.4.002.MI.
Multiply and simplify. See Examples 1-3.
12.10
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16.-15 points LarlAlg5 7.4.014.
Multiply and simplify. See Examples 1-3.
V5V + V15)
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17. -/5 points Lar Alg5 7.4.020.
Multiply and simplify. See Examples 1-3.
Vz(V2 + 6)
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18. -/5 points
Lar Alg5 7.4.024.
Multiply and simplify. See Examples 1-3.
5+
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19
.-/5 points Lar Alg5 7.4.030.
Multiply and simplify. See Examples 1-3.
(9-7)(9 +17)
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20
.-/5 points LarlAlg5 7.4.034.
Multiply and simplify. See Examples 1-3.
(V6 + v7)(V6 + v7)
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3. -/2.77 points LarinterAlg6 7.5.051.MI.
Use the formula t= d/16, which gives the time t (in seconds) for a free-falling object to fall d feet.
A construction worker drops a nail from a building and observes it strike a water puddle after approximately 2 seconds. Estimate the height from which the nail was dropped.
ft
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4.-12.77 points
LarinterAlg6 7.5.056.
Find the length x of the unknown side of the right triangle. (Round your answer to two decimal places, if necessary.)
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5
.-/2.77 points Larinter Alg6 7.5.060.
A ladder is 10 feet long, and the bottom of the ladder is 6 feet from the side of a house. How far does the ladder reach up the side of the house?
ft
田
FR
Need Help? Plato
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6. -/2.77 points Larinter Alg6 7.6.030.
Perform the operation. (Simplify your answer completely.)
V-12(v=3 - V
- V-12)
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7. -/2.77 points LarinterAlg6 7.6.033.
Perform the operation. (Simplify your answer completely.)
(v=25)
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8. -/2.77 points LarInterAlg6 7.6.036.
Determine whether the complex numbers are equal.
16 + V-36 and 4 - 61
equal
not equal
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9.-12.77 points
LarinterAlg6 7.6.040.
Determine the values of a and b that satisfy the equation.
-9 + 51 = a + b/
b =
Need Help? War
10.
My Notes Ask Your Teacher
-/2.77 points LarinterAlg6 7.6.020.
Perform the operation. (Simplify your answer completely.)
V-16 - -4
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11. 0-/2.77 points LarinterAlg6 7.6.024.
Perform the operation. (Simplify your answer completely.)
V-36-35
Need Help? Plato
12.
My Notes Ask Your Teacher
-/2.77 points LarinterAlg6 7.6.010.
Write the number in l-form.
-150
Need Help? Ik ben
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13. -/2.77 points LarinterAlg6 7.6.013.
Write the number in l-form.
V-12
Need Help? To The
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14. -/2.77 points LarinterAlg6 7.6.016.
Write the number in i-form.
49
Need Help? With Thor
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15
.-/2.77 points Larinter Alg6 7.6.055.
Perform the operation and write the result in standard form.
(41)(-77)
Need Help?
16.
My Notes Ask Your Teacher
-/2.77 points LarinterAlg6 7.6.058.
Perform the operation and write the result in standard form.
(15 + 3)(v-25)
Need Help? War
17.
My Notes Ask Your Teacher
-/2.77 points
LarinterAlg6 7.6.059.
Perform the operation and write the result in standard form.
(5 + 3/)(-9 + 5)
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18.
My Notes Ask Your Teacher
-/2.77 points
LarinterAlg6 7.6.061.
Perform the operation and write the result in standard form.
(6 + 2)(6 - 21)
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19.
My Notes Ask Your Teacher
-/2.77 points LarinterAlg6 7.6.062.
Perform the operation and write the result in standard form.
(5 - 4/)(5 + 41)
Need Help? That
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20
.-/2.77 points LarinterAlg6 7.6.066.
Multiply the number by its complex conjugate and simplify.
2 + 97
Need Help?
21.
My Notes Ask Your Teacher
-/2.77 points
LarinterAlg6 7.6.070.
Multiply the number by its complex conjugate and simplify.
-121
Need Help? Ta Tor
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22. -/2.77 points LarInterAlg6 7.6.072.
Write the quotient in standard form.
1 + 1
31
Need Help?
My Notes Ask Your Teacher
23
.-/2.77 points Larinter Alg6 7.6.074.
Write the quotient in standard form.
13
20120
Need Help? Plato
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1
.-/2 points LarlAlg5 3.4.058.MI.
Write the slope-intercept form of the equation of the line that passes through the two points.
(2,-5), (1,3)
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2. -12 points Lar Alg5 3.4.062.
Write an equation of the line. See Example 4.
Vertical line through (2, 4)
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3
.-/2 points LarlAlg5 3.4.066.
Write equations of the lines that pass through the point and are parallel and perpendicular to the given line. See Example 5.
+ 3y = 12
(a) parallel to the given line
(b) perpendicular to the given line
Need Help? Wat
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4.-12 points
LariAlg5 3.4.070.
Write equations of the lines that pass through the point and are parallel and perpendicular to the given line. See Example 5.
4 - 14 = 0
(a) parallel to the given line
(b) perpendicular to the given line
Need Help? To
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5.-12 points LarlAlg5 3.4.088.MI.
A business purchases a van for $27,500. After 5 years, its depreciated value will be $4,500.
(a) Assuming straight-line depreciation, write an equation of the line giving the value of the van in terms of time t in years.
V=
(b) Use the equation in part (a) to find the value of the van after 2 years.
$
Need Help?
My Notes Ask Your Teacher
6.-12 points LarlAlg5 3.4.096.
In the equation y = 8x + 5, what does the 5 represent? What does the 8 represent?
5 is -Select-
8 is - Select
Need Help? Te
7. -12 points LarlAlg5 3.5.024.MI.SA.
My Notes Ask Your Teacher
This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.
Tutorial Exercise
Sket
solution of the linear
lity. See Examples 2-5.
the graph
y > x + 5
Click here to begin!
Need Help?
My Notes Ask Your Teacher
8. -12 points Lar Alg5 3.5.030.
Sketch the graph of the solution of the linear inequality. See Examples 2-5.
4x + y s 4
Flash Player version 10 or higher is requiredbe s tebsites
for this question.
You can get Flash Player free from
Need Help? Tume
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9.-12 points LarlAlg5 4.2.044.MI.
Solve the system of linear equations by any convenient method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, enter INFINITELY MANY.)
- 45
(x, y) =(
Need Help? W Te The
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10.-12 points Lar
Alg5 5.4.070.
Factor the polynomial by grouping. See Example 5. (Factor your answer completely.)
3-42+t-4
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11. -/2 points Lar Alg5 5.4.076.
Factor the polynomial by grouping. See Example 5. (Factor your answer completely.)
1604 - 1402,3 - 21/4 + 24u2v
Need Help?
My Notes Ask Your Teacher
12. -12 points
LariAlg5 5.4.078.
Factor the difference of two squares. See Examples 6 and 7. (Factor your answer completely.)
12-25
Need Help?
My Notes Ask Your Teacher
13. -/2 points LarlAlg5 5.4.082.
Factor the difference of two squares. See Examples 6 and 7. (Factor your answer completely.)
422 - 100
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14.
-12 points LarlAlg5 5.4.088.MI.SA.
My Note Ask Your Teacher
This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part.
Tutorial Exercise
Factor the difference of two squares. See Examples 6 and 7.
64a2 - 8162
Click here to begin!
Need Help? WART
My Notes Ask Your Teacher
15
.-/2 points LariAlg5 5.4.112.
Factor the polynomial completely. See Examples 9 and 10.
27y2 - 48
Need Help? To The
My Notes
Ask Your Teacher
16.-12 points
LarlAlg5 5.4.114.
Factor the polynomial completely. See Examples 9 and 10.
a3.ga
Need Help?
My Notes Ask Your Teacher
17. -12 points LarlAlg5 5.4.137.
The area of a rectangle of length / is given by the polynomial 181 - 12. Factor this expression to determine the width w of the rectangle.
W=
Need Help? The
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18. -12 points
LarlAlg5 6.6.026.
Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7.
- 14 = 21
be
Need Help? Ta
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19.-12 points LarlAlg5 6.6.030.
Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7.
7 16 3
16t-28
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20
.-/2 points LarlAlg5 6.6.032.MI.
Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7.
10 15
x + 2 4(x + 1)
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21. -12 points
LarlAlg5 6.6.056.MI.
Solve the equation. (Check for extraneous solutions. If there is no solution, enter NO SOLUTION.) See Examples 4-7.
_5
3x + 5+ 2x + 4-5
(smaller value)
(larger value)
Need Help? Was The
+
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22. -/2 points Lar Alg5 7.5.024.
Solve the equation and check your solution. See Examples 1-7. (If there is no solution, enter NO SOLUTION.)
V2 - 2x = 1
XE
Need Help? WIR TT
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23. -12 points Lar Alg5 7.6.114.MI.
Multiply the number by its complex conjugate and simplify.
-3 +31
Need Help? W WATT
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24
.-/2 points LarlAlg5 7.6.118.
Multiply the number by its complex conjugate and simplify.
-131
Need Help? Tur
My Notes Ask Your Teacher
25
.-/2 points LarlAlg5 7.6.126.
Write the quotient in standard form. See Examples 8-10.
1 + 1
77
Need Help? To The
My Notes Ask Your Teacher
26. 0-12 points LarlAlg5 7.6.138.
Write the quotient in standard form. See Examples 8-10.
4 + 5i
7 - 31
Need Help? WATT
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27. -12 points
LariAlg5 7.6.140.
Perform the operation by first writing each quotient in standard form.
1 + 31
Need Help?
My Notes Ask Your Teacher
28. -12 points Lar Alg5 7.6.154.
Perform the operations.
(a + bi)(a - bi)
Need Help? Tak Tume
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29. -12 points LarlAlg5 7.6.084.
Perform the operation and write the result in standard form. See Example 7.
-3i(8 - 121)
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30.-12 points LarlAlg5 7.6.100.MI.
Simplify the expression.
,23
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31. -12 points
Lar Alg5 7.6.108.
Simplify the expression.
(-110
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32. -12 points Lar Alg5 8.5.012.MI.
Complete the table of width, length, perimeter, and area of a rectangle.
Width Length Perimeter Area
1-4 1 152 ft
2
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33. -/2 points LarlAlg5 8.5.038.MI.
Find the time necessary for an object to fall to ground level from an initial height of no feet if its height h at any time t (in seconds) is given by n = no - 16t2.
ho = 1369
sec
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34. -/2 points LarlAlg5 8.6.002.
Find the critical numbers.
7x(x - 2)
(smaller value)
(larger value)
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35. -12 points LarlAlg5 8.6.008.
Find the critical numbers.
3x2 - 2x - 8
X=
(smaller value)
(larger value)
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36. -/2 points LarlAlg5 8.6.036.
Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.)
x2 + 8x + 20 > 0
(-0, -5/2)
(-0, -5/2) u (8,00)
(-00,00)
(8,00)
no solution
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37. -12 points LarlAlg5 8.6.042.
Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.)
x2 - 4x + 4 < 0
(-00,-2) U (2,00)
.(-0,2)
(2,00)
(-2,2)
no solution
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38. -12 points LarlAlg5 8.6.046.MI.
Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.)
22-t-120
(-0, -1/2] [1,0)
(-00, -1/2)
(1, ..)
(-0, -1/2) (1,6)
no solution
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39.0 -12 points LariAlg5 8.6.052.
Solve the inequality and graph the solution on the real number line. See Examples 1-3. (The inequality may have no solution.)
16x2 - 40x + 25 20
(-0, 0)
(4,5)
(-0,-5) u (4,..)
• (-0, 4) u (5,0)
no solution
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40. 0-/2 points Lar Alg5 8.6.078.
Solve the inequality and graph the solution on the real number line. See Example 4.
-x >
> 0
(9, 00)
(-0, -3) u (9)
(-00,-3)
(-0,9)
no solution
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41. -/2 points Lar Alg5 8.6.084.MI.
Solve the inequality and graph the solution on the real number line. See Example 4.
***-2
• (--, 2) » (3,0)
• (-00,-)(-2,0)
• (-2, - 2)
• (-2:2)
no solution
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44. -/2 points LarinterAlg6 4.4.045.
Use matrices to solve the system of linear equations.
4x + 3y
8
2x - y
24
+ z = -17
-2x
(x, y, z) =
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45
.-/2 points LarInterAlg6 4.5.022.MI.
Use Cramer's Rule to solve the system of linear equations. (If not possible, enter IMPOSSIBLE.)
2x - y = -10
3x + 2y = -1
(x, y) =
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46. -/2 points LarinterAlg6 7.5.028.
Solve the equation and check your solution. (If there is no solution, enter NO SOLUTION.)
3t+ 8 = t + 10
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47. 0-12 points LarinterAlg6 7.5.040.MI.
Solve the equation and check your solution(s).
x = 12 - x
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48. -/2 points LarinterAlg6 7.5.042.
Solve the equation and check your solution(s). (Enter your answers as a comma-separated list.)
3x + 7 = x + 3
X=
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49
.-/2 points LarinterAlg6 6.2.019.
Multiply and simplify.
4r - 12
r-2
r-3
r3,2
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-/2 points LarinterAlg6 6.2.021.
Multiply and simplify.
212 - t - 15
t + 2
(2-6 + 9
2-t-6
t#3, -2
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