himpunan penyelesaian dari |2x-1|=|4x+1|

|2x - 1| = |4x + 1|
(2x- 1)² = (4x + 1)²
(2x - 1)² - (4x + 1)² = 0
(2x - 1 + 4x + 1)(2x - 1 - 4x - 1) = 0
(6x)(-2x - 2) = 0

6x = 0
x =0

-2x - 2 = 0
-2x = 2
x = -1

HP = {-1, 0}