Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2 - Page 107: 60

Answer

7 = X

Work Step by Step

Let X represent the number we need to find. Six times a certain number means 6X. 22 less than six times a certain number means 6X - 22. Thus, we obtain: 20 = 6X - 22 Add 22 to both sides: 42 = 6X Divide both sides by 6: 7 = X
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