Jawabanmu

2013-12-10T19:55:40+07:00
=   12=x+6y
=18xy

kalo menurut qu kyk gini, kalo gak slh
2013-12-10T19:56:39+07:00
X=3y >> x-3y=0

(eliminasi)
x-3y = 0
x+3y=12 +
2x=12
x=6
2 2 2