Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 35



Work Step by Step

The commutative property of addition holds that $a+b=b+a$, for real numbers a and b. In this example, we can set $7x+y=a+b$. So, $a=7x$ and $b=y$. Therefore, $b+a=y+7x$.
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