Hi all,

I'm new to linear algebra, and I've spent way too much time on this particular matrix. I need to reduce it to row-echelon form. The correct answer is x1=3a - (13/5), x2=-2a + (42/5), x3=2a - (2/5), x4=5a

2 1 -2 0 4
1 1 -3 1 7
3 1 -6 1 3

Any suggestions on the best path?

Thanks,

Newt