tentukan himpunan penyelesaian nilai mutlak berikut -3|-8 - r|= -9

-3|-8 - r| = -9
|-8 - r| = -9/-3
|-8 - r| = 3

•
-8 - r = 3
r = -8 - 3
r = -11

•
-8 - r = -3
r = -8 + 3
r = -5

HP = {-11 , -5}