SOLUTION: How do you solve |-3r|=9
Algebra.Com
Question 1095104: How do you solve |-3r|=9
Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
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}
For more help from me, visit: www.algebrahouse.com
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