|x-3| = |3x+1| tolong di bantu dong kak,bang!

Matematika
Persamaan Mutlak X SMA

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

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

x - 3 = -(3x + 1)
x - 3 = -3x - 1
x + 3x = -1 + 3
4x = 2
x = 1/2

Hp : {-2 , 1/2}