### Home > INT3 > Chapter 3 > Lesson 3.1.1 > Problem 3-11

3-11.

Solve each equation. Think about Rewriting, Looking Inside, or Undoing.

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 the correct solution.