|3x+1|+|2x-4|=10 Caranya?

Mapel : Matematika
Kelas : X SMA
Bab : Mutlak

Pembahasan :
|3x + 1| + |2x - 4| = 10

3x + 1 + 2x - 4 = 10
5x - 3 = 10
5x = 13
x = 13/5

3x + 1 + 2x - 4 = -10
5x - 3 = -10
5x = -7
x = -7/5 (TM)

Hp : {13/5}