Answer all pls
1. Simplify the expression (-m) + 3 + 7m - 1
2. Simplify the expression 2v - 7 - 12v + 15
3. What is the result when you add (c + 4) and (2c - 1)?
4. Subtract the expressions (2w + 3) - (w + 3)
5. What is the result when 2a - 5 is subtracted from 3a + 3?