Resposta :
|x y 1|
|3 2 -1|=0
|1 0 1|
[tex]2x-y-2-3y=0 \\ 2x-4y-2=0 \\ 4y=2x-2 \\ y=\frac{x}{2} -\frac{1}{2}[/tex]
|3 2 -1|=0
|1 0 1|
[tex]2x-y-2-3y=0 \\ 2x-4y-2=0 \\ 4y=2x-2 \\ y=\frac{x}{2} -\frac{1}{2}[/tex]