### Home > CC3 > Chapter 10 > Lesson 10.1.2 > Problem 10-30

10-30.

Simplify each expression.

First, simplify the numbers within the absolute value symbols.

Remove the absolute value symbols and the resulting answer must be a positive number.

See part (a).

Use the rules you learned about absolute value to simplify this expression.

See part (a).

See part (a).