gaussian elimination
posted by linda .
4. Solve the following linear system using Gaussian elimination.
Show work.
3x + y – z = 5
4x + y = 6
6x – 2y + 3z = 2
how about looking at
http://www.mathwords.com/g/gaussian_elimination.htm

x1+2x2+3x3=4
2x13x2+4x321=0
4x1+3x22x3+25=0