Respostas

2014-04-02T11:00:13-03:00
3(x-3)/2 -4x/2 = 5/6
3x-9/2 -4x/2 = 5/6
multiplicando tudo por 2:
6x-9 -4x = 10/6
2x=5/3 - (+9)
2x= 5/3 -27/3
2x= -22/3
x= -22/3 / 2/1
x= -22/6