Jawabanmu

2014-09-07T19:20:40+07:00
2x-1=4x-3
-1+3=4x-2x
2=2x
1=x
2014-09-07T19:24:26+07:00
|2x - 1| = |4x - 3|(2x-1)² = (4x-3)²
(2x-1)² - (4x-3)² = 0
(2x - 1 + 4x - 3)(2x - 1 - (4x - 3) = 0
(6x -4)(-2x + 2)
x = 2/3 atau x = 1

2 4 2