How do you use the commutative and the associative laws to find three equivalent expressions (p +q) +60?

1 Answer
Nov 6, 2016

Commutative Law: x+y=y+x
Associative Law: (x+y)+z=x(y+z)

Explanation:

The expression given (p+q)+60 is equivalent to:

  1. (q+p)+60, using (p+q)=(q+p) by Commutative Law

  2. p+(q+60) using the Associative Law

  3. p+(60+q) using the Associative and Commutative Laws