Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x - y + z - w = 10 -2x + 3y + 5w = -28x + 2y + 8z + 3w = -10 x - 4y - 6z - 5w = 30
A. ?
B. {(3w - 2, -8w + 3, 4w + 9, w)}
C. {(-17w - 10, -13w - 16, 5w + 4, w)}
D. {(24, 10, -6, -2)}
Answer: C
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A. ln
12
B. ln
C. ln
D. 
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