Respostas

2013-05-07T20:00:41-03:00

x+2/4-x-1/5=1

 \frac{x+2}{4-x-1}=5

x+2*1=4-x-1*5

x+2=20-5x-5

x+5x=20-5-2

6x=15-2

6x=13

x=\frac{13}{6}

 

Espero ter ajudado!