Question

Solve the following system of equations by the Gauss-Jordan elimination method with partial pivoting.
A) x+2y-8z=0
2x-3y-5z=0
3X-2z=0
b) x+y+z+w=-1
X-y+z=1
-X+2z+w=-2
c) 3x-y+4z=6
Y+8z=0
-2x+y=-4