Respostas

2013-11-05T17:13:54-02:00
(x-6)/(x+1) = 5/6
6(x-6) = 5(x+1)
6x-36 = 5x+5
6x-5x = 5+36
x = 41
2013-11-05T17:15:56-02:00
X-6/X+1=5/6
6(X-6)=5(X+1)
6X-36=5X+5
X=41
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