Jawabanmu

2014-04-29T18:07:42+07:00
4x-5=2x+9 4x-2x=9+5 2x = 14 x = 7
2014-04-29T18:11:39+07:00
4x - 5 = 2x + 9
4x - 2x = 9+5
2x = 14
x = 14/2
x= 7