Jawabanmu

2014-02-20T18:28:18+07:00
25-4y=6y+15 -4y-6y=15-25 -10y=-10 y= -10/-10 y=1 klo salah maaf yahh
2014-02-20T18:31:12+07:00
25-4y = 6y+15
-4y-6y = 15-25
-10y = -10
y = 1

HP = {1}
1 5 1