Question

Please cara nomer 3, sama jawabannya

Answer 1

3) (4x + 2)/3 - (2x + 1)/2 = (6x + 3)/4
--------------------------------(×12)
4(4x + 2) - 6(2x + 1) = 3(6x + 3)
16x + 8 - 12x - 6 = 18x + 9
4x - 18x = 9 - 2
-14x = 7
x = 7/-14 = -½