What property is 7+(5+b)=(5+b)+7

Mathematics · Middle School · Tue Nov 03 2020

Answered on

Since there is a + in front of the bracket, we can remove the brackets without changing anything at all.

Based on that we have: 

7+5+b=5+b+7

That means that both parts of the equation are equal. X can be infinite and whatever number we want because it wont change anything.