SOLUTION: 2x-3y+z=5 x +3y+8z =22 3x-y +2z = 12 please help thank you!

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Question 178001: 2x-3y+z=5
x +3y+8z =22
3x-y +2z = 12

please help thank you!

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
You didn't specify a method.
Matrix inversion is the fastest.
[A][x]=[B]
where
[A]=
[x]=
[B]=
Find the inverse matrix of A.
[A]inv=
The solution is then the inverse matrix multiplied by B.
[x]={A]inv[B]
[x]=
[x]=

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