Solve the system. Express the solution in the form (x, y, z, w).  4x - 4z + w = 8-x + 4y + z - 4w = 1  3x - y + 4w = -1  y - 4z - w = -3

A. {(-3, 4, 3, -5)}
B. {(4, -3, 1, -4)}
C. {(3, -1, -1, 0)}
D. {(1, -3, -7, -4)}


Answer: B

Mathematics

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