Solve the system. w + 3x - 2y - z = -4 4w + x + y + 2z = 15-3w - x - 3y - 2z = -18 w - x - 3y - 2z = -14
A. {(1 + z, 1 - 2z, 2 + 2z, z)}
B. {(-4, 15, -18, -14)}
C. {(1, 1, 2, 4)}
D. {(0, 3, -2, 6)}
Answer: C
Mathematics
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