Odpowiedzi

2010-03-10T14:58:00+01:00
X/y=3/2
(x-6)=3(y-6)
2x=3y
x=3/2y
(3/2y-6)=3y-18
3/2y-3y=-18+6
-3/2y=-12
y=-12 * - 2/3
y=8
x=3/2 * 8 = 12