SOLUTION: Solve: 4x+2y+z=4 3x-y+5z=4 5x+3y-3z=-2

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Question 968400: Solve:
4x+2y+z=4
3x-y+5z=4
5x+3y-3z=-2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use Cramer's rule,
A=%28matrix%283%2C3%2C%0D%0A4%2C2%2C1%2C%0D%0A3%2C-1%2C5%2C%0D%0A5%2C3%2C-3%29%29
abs%28A%29=34
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A%5Bx%5D=%28matrix%283%2C3%2C%0D%0A4%2C2%2C1%2C%0D%0A4%2C-1%2C5%2C%0D%0A-2%2C3%2C-3%29%29
abs%28A%5Bx%5D%29=-34
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A%5By%5D=%28matrix%283%2C3%2C%0D%0A4%2C4%2C1%2C%0D%0A3%2C4%2C5%2C%0D%0A5%2C-2%2C-3%29%29
abs%28A%5By%5D%29=102
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A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A4%2C2%2C4%2C%0D%0A3%2C-1%2C4%2C%0D%0A5%2C3%2C-2%29%29
abs%28A%5Bz%5D%29=68
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x=abs%28A%5Bx%5D%29%2Fabs%28A%29=%28-34%29%2F34=-1
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y=abs%28A%5By%5D%29%2Fabs%28A%29=%28102%29%2F34=3
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z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%2868%29%2F34=2
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