Respostas

2013-09-22T16:47:13-03:00
2 x+1 x /3-2x+1/2=2x+5/6
mmc=6

4x+2x-6x+6=2x+5
6x-6x+6=2x+5
-2x+6x-6x=5-6
-8x+6x=-1
-2x=-1(-1)
x=1/2
x=0,5