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A melhor resposta!
2014-08-12T23:05:27-03:00
2014-08-12T23:26:45-03:00
3x+11yt=14
x.y=15
2x=29
x=29:2=14

x-y=15
14-y=15
-y=8-35
-y=-27
y=27 

s{35,27}
2 3 2