Respostas

2014-05-23T14:56:00-03:00
2(2x +1)-(x +1)=5x-16

(4x + 2)-(x + 1) = 5x - 16
3x - 5x 1 + 16 = 0
-2x = -17
x = 17/2
1 5 1
  • Usuário do Brainly
2014-05-23T14:56:17-03:00
2 . (2x + 1) - (x + 1) = 5x - 16
4x + 2 - x - 1 = 5x - 16
4x - x - 5x = - 16 - 2 + 1
- 2x = - 17 . (- 1)
2x = 17
x = 17/2