Solve the system. Express the solution in the form (x, y, z, w).4x + y - 4z + w = 1-x + 4y + z - 4w = -144x - y + 4z + 4w = 29  x + y - 4z - w = -10

A. {(5, -5, 3, -2)}
B. {(-5, -3, 6, 2)}
C. {(5, -10, 0, 2)}
D. {(-5, 4, 4, 1)}


Answer: A

Mathematics

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