Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Review - Page 179: 9


b. 10 - x

Work Step by Step

If we know that the sum of two numbers is 10, we can subtract one number from 10 to find the other number. Since one number is x, the expression for the other number is 10 - x.
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