SOLUTION: Solve the following systems of equations: 4p-6Q+7r = -7 2p+3Q-5r =7 8p-2r=6

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Question 316922: Solve the following systems of equations:
4p-6Q+7r = -7
2p+3Q-5r =7
8p-2r=6
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%283%2C3%2C4%2C-6%2C7%2C2%2C3%2C-5%2C8%2C0%2C-2%29%29
[x]=%28matrix%283%2C1%2CP%2CQ%2CR%29%29
[b]=%28matrix%283%2C1%2C-7%2C7%2C6%29%29
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det[A]=24
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[A]inv=%281%2F24%29%2A%28matrix%283%2C3%2C-6%2C-12%2C9%2C-36%2C-64%2C34%2C-24%2C-48%2C24%29%29
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[x]=%28matrix%283%2C1%2C1%2F2%2C1%2F3%2C-1%29%29