### Home > A2C > Chapter 5 > Lesson 5.1.1 > Problem 5-7

5-7.

Solve each equation below. Think about Rewriting, Looking Inside, or Undoing to simplify the process. Homework Help ✎

Use Undoing.

Look inside.

See part (a) for possible strategies.

Start by multiplying both sides by

. Check your answer in the original equation to be sure you have found a reasonable solution.