Answer
$7+xy$
Work Step by Step
The Commutative Law of Addition means that we can swap the numbers on the two sides of the addition sign and we get the exact same result.
$xy+7$
is equivalent to
$7+xy$
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 2 - Equations, Inequalities, and Problem Solving - 2.7 Solving Applications with Inequalities - 2.7 Exercise Set - Page 142: 59
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