SOLUTION: What are the solutions for x,y, and z in the following equations: x-y+9z=-27 2x-4y-z=-1 3x=6y-3z=27

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Question 388139: What are the solutions for x,y, and z in the following equations:
x-y+9z=-27
2x-4y-z=-1
3x=6y-3z=27

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
[A]=
[x]=
[b]=
.
.
[A][x]=[b]
[x]=[A]inv[b]
.
.
Using matrix inversion,
[x]=

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