Jawabanmu

2014-09-07T22:07:05+07:00
3x + 5= 7x -3 >>> 5 + 3 = 7x -3x >>> 8 = 4x jadi nilai x = 8/4 = 2
2014-09-07T22:07:46+07:00
3x + 5= 7x -3
3x - 7x= -3-5
-4x = -8
x = -8/-4
x = 2