Answer
The option $(b)\, a+b=b+a$ is the correct match for the statement.
Work Step by Step
The option $(b)\, a+b=b+a$ is the correct match for the statement.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - Review Exercises: Chapter 1 - Page 77: 80
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