SOLUTION: x + 3y + z= 6 3x + y - z= -2 2x + 2y - z = 1

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Question 430089: x + 3y + z= 6
3x + y - z= -2
2x + 2y - z = 1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x + 3y + z= 6
3x + y - z= -2
2x + 2y - z = 1
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Using the Matrix function on my TI-84 I get:
x = -1
y = 2
z = 1
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Cheers,
Stan H.