Respostas

2014-07-21T13:23:24-03:00
X=moto y=carro

 x +  y = 38
2x + 4y = 136

x=38-y

2.(38-y) + 4y = 136
76 - 2y + 4y = 136
2y = 60
y=60/2
y=30

x= 38-y
x= 38-(30)
x=8

R: 8 motos e 30 carros.
5 4 5
  • Usuário do Brainly
2014-07-21T14:06:31-03:00