Respostas

2014-05-27T09:03:11-03:00
2x+3y-5=0
x+2y-3=0 (-2)
2x+3y-5=0
-2x-4y+6=0
     -y+1+0
    -y= -1 (-1)
     y=1

2x+3*1-5+0
2x+3-5=0
2x=5-3
2x=2
x=2/2
x=1

s(1,1)