Respostas

  • Usuário do Brainly
2013-10-25T22:36:19-02:00
5x - 15 - 4x - 8 = 2 + 3 - 6x
5x - 4x + 6x = 5 + 15 + 8
7x = 28
x = 28/7
x = 4