kls x bab 1 nilai mutlak

Bab Nilai Mutlak
Matematika SMA Kelas X

|2x - 3| = |-x|

2x - 3 = x
2x - x = 3
x = 3

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

HP = {1, 3}