Respostas

  • Usuário do Brainly
2013-10-22T22:38:08-02:00
10/4 = (3x + 8) / x
4*(3x + 8) = 10*x
12x + 32 = 10x
12x - 10x = - 32
2x = - 32
x = - 32/2
x = - 16