### Home > INT1 > Chapter 4 > Lesson 4.2.1 > Problem 4-57

4-57.

Solve each equation. For part (b) justify or explain your steps.

Check your answer in the original equation.

See part (a).

Show your work.

4-57.

Solve each equation. For part (b) justify or explain your steps.

Check your answer in the original equation.

See part (a).

Show your work.