Respostas

  • Usuário do Brainly
2014-08-05T15:50:04-03:00
4x + 18= 7
4x = 7 - 18
4x = - 11
x = -11/4
2014-08-05T16:24:43-03:00
4x+18=7
4x=7-18
4x=-11
x=-11/4
x=2,75