Add or subtract as indicated.(-3a + 5b - c) - (7b - 6c - 3d)
A. -3a - 2b - 7c + 3d
B. -3a - 2b + 7c + 3d
C. -3a - 2b + 5c + 3d
D. -3a - 2b + 5c - 3d
Answer: C
Mathematics
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