### Home > AC > Chapter 6 > Lesson 6.1.2 > Problem 6-20

6-20.

Go through her solution step by step and check for mistakes.

She combined like terms from opposite sides of the equation.

Create your own solution, correcting this mistake, and solve for .

6-20.

Go through her solution step by step and check for mistakes.

She combined like terms from opposite sides of the equation.

Create your own solution, correcting this mistake, and solve for .