Posted by chris on Tuesday, May 1, 2012 at 1:59pm.
2x+8y8z22
x+2y2z=3
5x+7y+z=13
solve by gaussian elimination

algebra  Steve, Tuesday, May 1, 2012 at 5:34pm
mosey on over to
gregthatcher . com / Mathematics / GaussJordan.aspx
and enter in your data. It shows all the intermediate steps