Respostas

2014-04-07T12:31:48-03:00
6 - 8x - 5x -4/3 = 3x +1/4 /12                  MMC = 12
72 - 96x + 20x - 16 = 9x + 3
-96x - 20x - 9x = 3 - 72 + 16
- 125x = - 53
   125 = 53
   x = 53/125