SOLUTION: 3x+y+2z=80 x+2y-z=10 2x-y+3z=70 solve please

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Question 391835: 3x+y+2z=80 x+2y-z=10 2x-y+3z=70
solve please
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3x+y+2z=80
x+2y-z=10
2x-y+3z=70
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Use any method you know to get:
x = 30
y = -10
z = 0
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Cheers,
Stan H.