SOLUTION: x+y+z-2w=2 2y+z+3w=4 2x+y-z+2w=5 x-y +w=4

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Question 523317: x+y+z-2w=2
2y+z+3w=4
2x+y-z+2w=5
x-y +w=4

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
x+y+z-2w =2
0+2y+z+3w =4
2x+y-z+2w =5
x -y+0+w =4
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I solved it using a TI-84 calculator:
x = 13/5
y = -2/5
z = 9/5
w = 1
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Cheers,
Stan H.
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