Respostas

2013-12-02T13:48:50-02:00
5(x+1)+3(y-2)=4*8(x+1)+5(y-2)=9
5x+5+3y-6=32x+32+5y-10=9
5x-32x+3y-5y+5-6-32+10-9=0
-27x-2y-32=0
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