Respostas

2014-05-11T11:02:38-03:00
5 (x + 1) - 3 (x + 2) = 0 
5x + 5 - 3x - 6 = 0
5x - 3x = - 5 + 6
2x = 1
x = 1 : 2
x = 0,5
2014-05-11T11:04:24-03:00
5x+5-3x+6=0
5x-3x=0-5
2x=-5
x=-5/2
x=-2,5