Mathematics, 17.12.2020 01:10 fitzghost

X-5y+7z=-1
x+y+9z=-7
-x+6y-8z=0

Answers: 3

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X-5y+7z=-1
x+y+9z=-7
-x+6y-8z=0...

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X-5y+7z=-1 x+y+9z=-7 -x+6y-8z=0

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X-5y+7z=-1
x+y+9z=-7
-x+6y-8z=0