Question 1095104
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}
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