SOLUTION: Use matrices to solve the system of equation. 3x-2y+4z=4 x+y+z=3 6x-2y-3z=10

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Question 917703: Use matrices to solve the system of equation.
3x-2y+4z=4
x+y+z=3
6x-2y-3z=10
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use Cramer's rule,
A=%28matrix%283%2C3%2C3%2C-2%2C4%2C1%2C1%2C1%2C6%2C-2%2C-3%29%29
abs%28A%29=-53
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A%5Bx%5D=%28matrix%283%2C3%2C%0D%0A4%2C-2%2C4%2C%0D%0A3%2C1%2C1%2C%0D%0A10%2C-2%2C-3%29%29
abs%28A%5Bx%5D%29=-106
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A%5By%5D=%28matrix%283%2C3%2C%0D%0A3%2C4%2C4%2C%0D%0A1%2C3%2C1%2C%0D%0A6%2C10%2C-3%29%29
abs%28A%5By%5D%29=-53
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.
.
A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A3%2C-2%2C4%2C%0D%0A1%2C1%2C3%2C%0D%0A6%2C-2%2C10%29%29
abs%28A%5Bz%5D%29=0
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x=abs%28A%5Bx%5D%29%2Fabs%28A%29=%28-106%29%2F%28-53%29=2
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y=abs%28A%5By%5D%29%2Fabs%28A%29=%28-53%29%2F%28-53%29=1
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a=abs%28A%5Ba%5D%29%2Fabs%28A%29=%280%29%2F%28-53%29=0
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