selesaikan | x+6 | = 2 dan | x+1 | = | x+2 |

|x + 6| = 2
(x + 6)² = 2²
x² + 12x + 32 = 0
(x + 4)(x + 8) = 0
x = - 4 atau x = 8

|x + 1| = |x + 2|
(x + 1)² = (x + 2)²
x² + 2x + 1 = x² + 4x + 4
2x = - 3
x = - 3/2