Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set: 19

Answer

$x\times7$

Work Step by Step

The commutative law of addition states that $ab=ba$ (where $a$ and $b$ are real numbers). That is, changing the order of multiplication does not affect the answer. Therefore, $7x=7\times x=x\times7$.
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