Respostas

2014-08-22T14:36:27-03:00
-2m-(m+2)=3(2m+1)
-2m -m -2 = 6m + 3
-2m -m - 2 - 6m -3 = ,0
- 9m -5 = 0 (x-1)
  9m + 5 = 0
  9m = -5
  m = -9 - 5
  m = -14
2014-08-22T15:56:20-03:00
-2m-m-2=6m+3
-2m-m-6m = 3+2
-9m = 5  x(-1)
9m = -5
m = -5/9