Respostas

2014-05-11T10:34:17-03:00
-3x+2x+3x=+8-10
2x=-2
x=-2\2
x=-1
2014-05-11T10:45:18-03:00
-3x + 10 = 2x + 8 - 3x
10 - 8 = 2x - 3x + 3x
2 = 2x
x = 2/2
x = 1