hasil dari |2/5x-5|-6=1

|2/5x -5| -6 = 1
|2/5x -5| = 7

Syarat Pertama

2/5x -5 = 7
2/5x = 7 + 5 = 12
x = 12 : 2/5 = 12 × 5/2 = 30
x = 30

Syarat Kedua

2/5x -5 = -7
2/5 = -7 + 5 = -2
x = -2 : 2/5 = -2 × 5/2 = -5
x = -5

HP = {30 , -5}

maaf jika ada kesalahan ;)