How do you solve |-3r| = 9 ?

**Absolute Value means distance from zero.**

|-3r| = 9 is saying -3r is 9 away from zero.

The two numbers that are 9 away from zero are 9 and -9.

-3r = 9 or -3r = -9 {set -3r equal to 9 and -9}

**r = -3 or r = 3**{solved for r}

**- Algebra House**