himpunan penyelesaian persamaan |15y-6|=|7y+18| adalah..

| 15y - 6 | = | 7y + 18 |

15y - 6 = 7y + 18
15y - 7y = 18 + 6
8y = 24
y = 3

-(15y - 6) = 7y + 18
-15y + 6 = 7y + 18
-15y - 7y = 18 - 6
-22y = 12
y = -6/11

Hp = {-6/11 atau 3}