What is 3A + 4b-3c + 2a-3b + 2C? 3A + 4b-3c + 2a-3b + 2C?

What is 3A + 4b-3c + 2a-3b + 2C? 3A + 4b-3c + 2a-3b + 2C?

5a-b-c