Resposta :
carros: x
motos: y
x + y = 35
4x + 2y = 110
4x + 4y = 140
4x + 2y = 110
2y = 30
y = 15
x=20
motos: y
x + y = 35
4x + 2y = 110
4x + 4y = 140
4x + 2y = 110
2y = 30
y = 15
x=20
x = carros
y = motos
x+ y = 35(-2)
4x + 2y= 110(1)
-2x - 2y =- 70
4x +2y= 110
2x = 40
x = 20
x = y = 35 ==> y = 35-20 ==> y = 15
y = motos
x+ y = 35(-2)
4x + 2y= 110(1)
-2x - 2y =- 70
4x +2y= 110
2x = 40
x = 20
x = y = 35 ==> y = 35-20 ==> y = 15