tentukan nilai x yang memenuhi persamaan

|2x + 5| = 3
2x + 5 = 3
2x = 3 - 5
2x = -2
x = -2/2
x = -1

2x + 5 = 3
2x = -3 - 5
2x = -8
x = -8/2
x = -4

HP = {-1, -4}

Materi : Nilai Mutlak
kelas : X SMA

I2x + 5I = 3
2x + 5 = 3 atau -3

2x + 5 = 3
2x = 3 - 5
2x = -2
x = 1

2x + 5 = -3
2x = -3 - 5
2x = -8
x = -4

Hp = {-4 , 1 }