Jawabanmu

2014-02-03T21:48:13+07:00
2x+7 = 5x-11 | 2x-5x = -18 | x = 6 X+3 = 9
2014-02-03T21:49:38+07:00
2x + 7 = 5x- 11
2x - 5x = -7 - 11
-3x = -18
x = 6
x + 3
6 + 3 = 9
7 4 7