Respostas

2014-01-28T20:14:39-02:00
3/5(x+1) - 5/3(x-1)=1/2
3x/5 +3/5 -5x/3+5/3=1/2  mmc=30
18x + 18 - 50x + 50 =15
18x - 50x = 15 -50 -18
-32x =-53
x=53/32