SOLUTION: solve the system x-y-5z=-13 4x+2y+2z=6 3x-2y+2z=24

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Question 387880: solve the system x-y-5z=-13
4x+2y+2z=6
3x-2y+2z=24
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%283%2C3%2C1%2C-1%2C-5%2C4%2C2%2C2%2C3%2C-2%2C2%29%29
[x]=%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29
[b]=%28matrix%283%2C1%2C-13%2C6%2C24%29%29
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[A][x]=[b]
[x]=[A]inv[b]
Using matrix inversion,
[x]=%28matrix%283%2C1%2C2%2C-5%2C4%29%29