SOLUTION: Solve x, y and z 3x-2y+z=4 5x-3y+2z=7 7x-5y-z=0

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Question 957258: Solve x, y and z
3x-2y+z=4
5x-3y+2z=7
7x-5y-z=0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Ax=b
A=%28matrix%283%2C3%2C3%2C-2%2C1%2C5%2C-3%2C2%2C7%2C-5%2C-1%29%29
abs%28A%29=-3
.
.
A%5Bx%5D=%28matrix%283%2C3%2C%0D%0A4%2C-2%2C1%2C%0D%0A7%2C-3%2C2%2C%0D%0A0%2C-5%2C-1%29%29
abs%28A%5Bx%5D%29=3
.
.
A%5By%5D=%28matrix%283%2C3%2C%0D%0A3%2C4%2C1%2C%0D%0A5%2C7%2C2%2C%0D%0A7%2C0%2C-1%29%29
abs%28A%5By%5D%29=6
.
.
A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A3%2C-2%2C4%2C%0D%0A5%2C-3%2C7%2C%0D%0A7%2C-5%2C0%29%29
abs%28A%5Bz%5D%29=-9
.
.
x=abs%28A%5Bx%5D%29%2Fabs%28A%29=3%2F%28-3%29=-1
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y=abs%28A%5By%5D%29%2Fabs%28A%29=6%2F%28-3%29=-2
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z=abs%28A%5Bz%5D%29%2Fabs%28A%29=-9%2F%28-3%29=3
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