Please help!

x-2y+z=7
2x+y-z=0
3x+2y-2z=-2

a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations.

b. Solve the above system of equations using Cramer's Rule.

4 answers

its a simple matrix problem. ti-89 does it for you.
how do a graph on a Ti-83 for an ellipse center at origin
This is my problem
I need help with.
(7,-8); 3x+5y=6
{7x+4y=11
5x+6y=2