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
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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 106: 53
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