### Home > MC2 > Chapter 9 > Lesson 9.1.2 > Problem 9-20

9-20.

Simplify and solve each equation below for . Show your work and check your answer.

Begin isolating

*x*by subtractingfrom both sides.

Divide both sides by

.

Begin by distributing.

Addto both sides.

Subtractfrom each side.

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

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