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: 53

Answer

X = 22

Work Step by Step

Let X represent the number to be found. Nine subtracted from a certain number means X - 9 Thus, we obtain: X - 9 = 13 Add 9 to both sides. Thus, we obtain: X = 22
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