Respostas

2014-08-07T01:45:46-03:00
X+y=1
x=2y
assumindo que x=2y
→ 2y+y=1
→ 3y=1
y=1/3

x+y=1
x+1/3=1
x = 1-(1/3)
x=(3/3)-(1/3)
x=2/3 e y=1/3
1 5 1