Question

Select the correct answer.

Which value of x makes this equation true?

-8(x + 5) = -3x − 7 + x − 3
PLATO

Answer 1

x=-5

Explanation:

-8(x + 5) = -3x − 7 + x − 3

Combine like terms

-8(x+5) = -2x -10

Distribute

-8x-40 = -2x-10

Add 8x to each side

-8x-40 +8x = -2x+8x-10

-40 = 6x-10

Add 10 to each side

-40+10 = 6x+10-10

-30 = 6x

Divide by 6

-30/6 = 6x/6

-5 = x