Subtract.(-3a - 3b - c) - (-6b - 6c + 3d)

A. -3a + 3b + 7c - 3d
B. -3a + 3b - 5c + 3d
C. -3a + 3b + 5c + 3d
D. -3a + 3b + 5c - 3d


Answer: D

Mathematics

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