Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.  3x + y + z - 2w = 10  2x + 3y + 3z + w = -52x + y + 4z + 11w = 11

A. {(7, -1, -6, 2)}
B. {(6, -4, -2, 1)}
C. {(w + 5, 3w - 7, -4w + 2, w)}
D. {(2w + 3, 6w - 7, -10w + 8, w)}


Answer: C

Mathematics

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A.
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