The following expression has been simplified one step at a time. Match each step with the property used to get to that step. (Note: The column that lists the algebraic expressions is already in the correct order.) 1. (3 + 6x) - 5x
2. 3 + (6x - 5x)
3. 3 + (6 - 5) x
4. 3 + (1) x
5. 3 + x

a. multiplicative identity
b. distributive
c. associative
d. subtraction
e. commutative