Add or subtract as indicated.(3a - 10b + 2c) - (a - 5b + 2c) + (4a + 5b)

A. 6a + 5b + 5c
B. 6a - 5b + 9c
C. 6a - 5b + 5c
D. -2a - 15b + 9c


Answer: C

Mathematics

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