Jawabanmu

2014-05-13T16:35:40+07:00
19-3x+6=2x+28
19+6-28=3x+2x
25-28=5x
-3=5x
-3/5=x, jadi isinya x= -3/5
2014-05-13T16:36:33+07:00
19-3x-6=2x+28,
13= 5x + 28, 5x=-15, x=-3