Respostas

2013-12-04T19:02:55-02:00
3y/2 - 1 = 3/4 - 2y (mmc,4)

6y - 4 = 3 + 8y
6y - 8y = 3 + 4 
14y = 7
y = 7/14
y = 1/2
4 3 4