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W+2x+2y+z=-2 W+3x-2y-z=-6 -2w-x+3y+3z=6 W+4x+y-2z=-14
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W+2x+2y+z=-2 W+3x-2y-z=-6 -2w-x+3y+3z=6 W+4x+y-2z=-14
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Dec 5, 2017
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W+2x+2y+z=-2
W+3x-2y-z=-6
-2w-x+3y+3z=6
W+4x+y-2z=-14
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The matrics of coeficients of the equations are
Therefore, w = 1, x = -2, y = -1 and z = 3
AllramEst
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Dec 8, 2017
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AllramEst
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