Respostas

  • Usuário do Brainly
2014-08-22T11:23:47-03:00
2 . (x - 2) - 2 . (x - 3) = - x . (- 2)
2x - 4 - 2x + 6 = 2x
2x - 2x - 2x = 4 - 6
- 2x = - 2 . (- 1)
2x = 2
x = 2/2
x = 1