Hasil dr |2x-1|=|x+4|

kuadratkan kedua ruas
(2x - 1)² = (x + 4)²
4x² - 4x + 1 = x² + 8x + 16
3x² - 12x - 15 = 0
------------------------ ÷ 3
x² - 4x - 5 = 0
(x - 5)(x + 1) = 0
x = 5 atau x = -1