Solve the system.6w - 2y + z = 20-w + 6x + y - 6z = 164w - x + + 2z = 13 x - 6y - z = -15
A. (-1, 5, 5, -5)
B. (4, 1, -3, 0)
C. (1, -1, -7, -4)
D. (5, -1, 3, -4)
Answer: D
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