Question

PLEASE HELP IF YOU KNOW HOW

Answer 1

1) Commutative: you change $6x+3\mapsto 3+6x$

2) Associative: you change the parenthesis

3) Distrivutive: you factor $x$

4) Subtraction: you compute $6-5=1$

5) Multiplicative identity: you use the fact that every number remains unchanged if you multiply it by 1.