Solve the system.3w + x - 2y + z = 4-w + 3x + y - 3z = 44w - x + 3y + 2z = 17 w + x - 3y - z = 0
A. (-4, -2, 4, 3)
B. (-1, 3, 3, 1)
C. (4, -2, 0, 3)
D. (4, -1, 2, -3)
Answer: D
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?
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.
A. - 
B. - 
C. 
D. 