### Home > MC2 > Chapter 8 > Lesson 8.1.1 > Problem 8-8

8-8.

Distribute.

3(x) + 3(4) = −42

Simplify.

3x + 12 = −42

Subtract 12 from each side.

3x + 12 = −42

−12 −12

3x = −54

x = −18

Distribute.

90 = 5 − 2x − 1

Simplify.

90 = 4 − 2x

Subtract 4 from each side.

90 = 4 − 2x

−4 −4

86 = −2x

x = −43

Follow the methods presented in part (a) and part (b).