Persamaan dalam tanda mutlak. Tentukan nilai-nilai x! |x - 2| = |2x - 1|

|x - 2| = |2x - 1|
(x - 2)^2 = (2x - 1)^2
x^2 - 4x + 4 = 4x^2 - 4x + 1
0 = 4x^2 - x^2 - 4x + 4x + 1 - 4
3x^2 - 3 = 0
3(x^2 - 1) = 0
x^2 - 1 = 0
(x + 1)(x - 1) = 0

HP = {(1, - 1)}