Tentukan himpunan penyelesaian dari persamaan berikut. |12x| + 16 = 144

|12x| + 16 = 144
12x + 16 = 144
12x = 144 - 16
12x = 128
x = 128 ÷ 12
x = 128/12

|12x| + 16 = -144
12x + 16 = -144
12x = -144 - 16
12x = -160
x = -160/12 = - 160/12

HP = {- 160/12, 128/12}