Solve using Cramer's rule.-4x - 3y + 5z = -21-5x + 2y + 3z = -17 7x - 6y - 6z = -3
A. (9, 5, 6)
B. (10, 3, 6)
C. (9, -5, -6)
D. (5, 6, 5)
Answer: A
Mathematics
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