What is the solution? examples of ... and Simplify

Mathematics
Tutor: None Selected Time limit: 1 Day

What is the solution of 2 |2 x - 1| - 8 = 18?

a. x = -6 or x = 7

b. x = 27/4 or x = 7

c. x = - 6 or x = 27/4

d. x = 9/4 or x = 27/4

In the expression a + 2b - 12c² , a , and -12c² are examples of _____

a. operations.

b. terms.

c. like terms.

d. equations.

Simplify: 3( 4x - 5y ) + 2y

a. 12x + 17y

b. 7x - 3y 

c. 12x - 13y

d. 7x + 3y

May 7th, 2015

2x-1=13 or -13

x = 7 or -6 

it  is a) 

b) 

c)

May 7th, 2015

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May 7th, 2015
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May 7th, 2015
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