Respostas

2014-03-19T21:18:38-03:00
5x-3 = 2x + 6
5x - 2x = 6 + 3
3x = 9
x = 9 / 3
x = 3
1 5 1
2014-03-19T21:19:03-03:00
5x-3=2x+6
5x - 2x = 3+6
3x = 9
  x= 9/3
   x= 3