Posted by **Angel** on Wednesday, November 17, 2010 at 7:07pm.

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.

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