tolong jawab soal ini dengan cara

|4x + 1| = 6

4x + 1 = 6
4x = 6 - 1
4x = 5
x = 5/4

4x + 1 = -6
4x = -6 - 1
4x = -7
x = -7/4

Hp = {-7/4 , 5/4}