Respostas

  • Usuário do Brainly
2014-04-16T16:14:47-03:00
2x - 4 = -x +5
2x + x = 5 + 4
3x = 9
x=  \frac{9}{3}
x= 3
2014-04-16T16:16:33-03:00
2x - 4 = -1x +5
2x + 1x = +4 + 5
3x = 9
X = 9/3 = 3
Resposta C