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: 56

Answer

X = 8

Work Step by Step

Let X represent the number we need to find Five times a certain number means 5X 2 is subtracted from five times a certain number means 5X - 2 Thus, we obtain: 5X - 2 = 38 Add 2 to both sides: 5X = 40 Divide both sides by 5: X = 8
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