### Home > MC2 > Chapter 6 > Lesson 6.2.7 > Problem 6-138

6-138.

Isolate the *x* variable.

*x* = 1

What number do you need to divide both sides by to isolate the *x* variable?

What is 6 divided by 4?

Subtract 4.6 from both sides to isolate *x*.

Notice that both sides are divided by 7.

*x* = 3