### 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.

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.