nilai mutlak |3x+1| + |2x-3| = 5

Mapel : Matematika
Kelas : X SMA
Bab : Mutlak

Pembahasan :
|3x + 1| + |2x - 3| = 5

3x + 1 + 2x - 3 = 5
5x - 2 = 5
5x = 7
x = 7/5

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

Hp : {-3/5 , 7/5}