Respostas

2014-08-22T09:30:47-03:00
2x/2=(3x-1)+1/5
*Corta o dois ! >>>x=3x-1+1/5
x-3x=-1+1/5  (tira o mmc de 1 e 1/5)
-2x=-4 (multiplica por -1)
2x=4
x=4/2
x=2