Hello..

I really need help in Gaussian elimination!!

2x+3y-z=1

x-y+2z=0

3x+2y+z=1

i tried this but its end up with like this:

2x+3y-z=1

-5y+5z=-1

-5y+5z=-1

----------------------------------------------

2x+3y-z=1

0=0

dont know how to figure this out!!

Please help me =)