Respostas

  • Usuário do Brainly
2014-01-14T17:45:18-02:00
2 . (3x - 1) + 2 . (3 - x) =
6x - 2 + 6 - 2x =
6x - 2x = 2 - 6
4x = - 4
x = - 4 : 4
x = - 1
1 5 1
2014-01-14T17:55:34-02:00
2.(3x-1)+2.(3-x) =0
6x-2+6-2x=0
6x-2x-2+6=0
4x+4=0
4x=-4
x= -4/4
x= -1

1 5 1