Respostas

  • Usuário do Brainly
2014-08-25T12:11:34-03:00
3 . (x - 5) = 1 - (2x - 4)
3x - 15 = 1 - 2x + 4
3x + 2x = 1 + 4 + 15
5x = 20
x = 20/5
x = 4
1 5 1