| x - 1 | + | 2 x | + | 3 x - 1 | = 6

Mapel : Matematika
Kelas : X SMA
Materi : Persamaan Nilai Mutlak

Pembahasan :
|x - 1| + |2x| + |3x - 1| = 6

x - 1 + 2x + 3x - 1 = 6
6x - 2 = 6
6x = 8
x = 8/6
x = 4/3

x - 1 + 2x + 3x - 1 = -6
6x - 2 = -6
6x = -4
x = -4/6
x = -2/3

Hp : {-2/3 , 4/3}