Respostas

2013-10-05T18:28:20-03:00
2x+3y=0(-1)
4x+3y=3

-2x-3y=0
4x+3y=3

2x=3
x=3/2

2x+3y=0
2.3/2+3y=0
3+3y=0
3y=3
y=1
6 3 6
2013-10-05T18:31:21-03:00