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: 61



Work Step by Step

The multiplicative identity property holds that $a\times1=a$, for some real number $a$. In other words, the property holds that the product of 1 and any real number $a$ will be equal to $a$. In this example, we can set $a\times 1=7\times 1$. Therefore, the other side of the equation will be $a=7$.
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