SOLUTION: Solve the system of equation: x+y+z=-5 2x+3y-2z=8 x-y+4z=-21

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Question 354560: Solve the system of equation:
x+y+z=-5
2x+3y-2z=8
x-y+4z=-21
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x = -23
y = 22
z = 6
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I use determinants to solve these.
I made an Excel sheet that does the solution by use of determinants.