3 years ago

2x-y-z=4, -x+2y+z=1, 3x+y+z=16. Please help

1 answer:

6 0

1. X=2+1/2y+1/2z

2. X=-1+2y+z

3. X=16/3-1/3y-1/3z

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================================================

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The rule we use is

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