One-Step and Multi-Step Equations

Apr 30th, 2015
Anonymous
Category:
Engineering
Price: $5 USD

Question description

1. What is the value of x in the following equation x-2=9

A.     7

B.     9

C.     11

D.     18

2. The solution x = 11 is a solution to which of the following equations? Check all that apply.

A.     x – 9 = 2

B.     41 = x – 30

C.     x – 2 = –9

D.     5 = x – 6

3. What is the value of a in the following equation, 2a=7.

A.     14

B.     5

C.     3.5

D.-5.5

4. The solution x=5 is a solution to which of the following equations?

A.     5x=1

B.     3=15x

C.     -4x=-20

D.     60=10x

5. What is the value of x in the equation 2x+7=-11

A.     -18

B.     -2

C.     -36

D.     -9

6. What is the value of a in the equation 

A.      -1/2

B.      20

C.      2

D.      228

7. In the equation, 7(3a+12)=168 , what are some of the steps that should be taken to solve for x? Select all that apply.

A.     Subtract 84 from both sides of the equation.

B.     Divide both sides of the equation by 3.

C.     Distribute the 7 among the terms inside the parentheses.

D.     Divide both sides of the equation by 21.

8. What is the value of x in the equation 5(x+7)=20

A.     13/5

B.     27/5

C.     -3

D.     11

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