Respostas

2013-11-26T12:40:40-02:00
 \frac{1}{6x}  \frac{3}{2x}  \frac{1}{4 x^{2} }  →
 \frac{2x-18x}{12 x^{2} } =  \frac{3}{12 x^{2} } → 
2x-18x=3
-16x=3
x=  \frac{-3}{16}
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