SOLUTION: Solve by cramer's rule. x + y - z = - 4 2x - 3y - z = 5 x + 2y + 2z = 3

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Question 1004620: Solve by cramer's rule.
x + y - z = - 4
2x - 3y - z = 5
x + 2y + 2z = 3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%28matrix%283%2C3%2C%0D%0A1%2C1%2C-1%2C%0D%0A2%2C-3%2C-1%2C%0D%0A1%2C2%2C2%29%29
abs%28A%29=-16
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A%5Bx%5D=%28matrix%283%2C3%2C%0D%0A-4%2C1%2C-1%2C%0D%0A5%2C-3%2C-1%2C%0D%0A3%2C2%2C2%29%29
abs%28A%5Bx%5D%29=-16
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A%5By%5D=%28matrix%283%2C3%2C%0D%0A1%2C-4%2C-1%2C%0D%0A2%2C5%2C-1%2C%0D%0A1%2C3%2C2%29%29
abs%28A%5By%5D%29=32
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A%5Bz%5D=%28matrix%283%2C3%2C%0D%0A1%2C1%2C-4%2C%0D%0A2%2C-3%2C5%2C%0D%0A1%2C2%2C3%29%29
abs%28A%5Bz%5D%29=-48
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x=abs%28A%5Bx%5D%29%2Fabs%28A%29=%28-16%29%2F%28-16%29=1
y=abs%28A%5By%5D%29%2Fabs%28A%29=%2832%29%2F%28-16%29=-2
z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%28-48%29%2F%28-16%29=3