Respostas

2014-06-01T18:39:38-03:00
6x=2x+16
6x-2x=16
4x=16
x=16/4
x=4
2014-06-01T18:39:39-03:00
6x = 2x + 16
6x - 2x = 16
4x = 16
x = 16/4
x = 4
1 5 1