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2013-12-12T16:41:40+02:00
X+y=35
y=35-x
 \frac{x}{2} = \frac{y}{3}
3x=2y
3x-2y=0
3x-2(35-x)=0
3x-70+2x=0
5x-70=0
5x=70
x=14

y=35-x=35-14
y=21

2 5 2