Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - Review Exercises - Page 699: 106



Work Step by Step

We are told when a number is subtracted from five times the number, the result is 100. We will use x as the variable. Therefore, the difference between 5x and x equals 100. $5x-x=100$ Combine like terms on the left side. $5x-x=(5-1)x=4x=100$ Divide both sides by 4. $x=25$
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