Answer
Associative property of addition
Work Step by Step
We are given that $(M+5)+P=M+(5+P)$.
This is an example of the associative property of addition, which holds that $(a+b)+c=a+(b+c)$.
In this example, $a=M$, $b=5$, and $c=P$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.