Nilai Mutlak SMA....

1. |x-6| = |2x-8|
x + 6 = 2x + 8
x - 2x = 8-6
x = 2

2. |-12+3x| = |x+6|
12 + 3x = x+6
3x-x = 6-12
2x = -6
x = -6/2
x = -3

3. |4x+3| = |x-6|
4x+3 = x+6
4x-x = 6-3
3x = 3
x = 3/3
x = 1

maaf cuman itulah yang saya tau