Respostas

2013-09-26T15:41:54-03:00
 \frac{4}{x} = 6 +  \frac{2}{x}    (tire mmc)

 \frac{4}{x}  =  \frac{6x}{x} +  \frac{2}{x}   (agora cancele os denominadores)

4 = 6x+2
4-2 = 6x
2 = 6x
x= \frac{6}{2}
x=3