Algebra-1

Question Analysis
This question tests the student's ability to use the Commutative Property to simplify an algebraic expression by combining like terms.

Key Concept Explanation
The Commutative Property allows us to rearrange terms in an expression without changing its value. In this case, we can rearrange the terms to group like terms together, making it easier to combine them.

Step-by-step Solution
1. Identify the like terms: and .
2. Rearrange the terms using the Commutative Property: