Elementary Algebra

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

Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3: 20

Answer

25.7

Work Step by Step

Recall the following rule: $a-(-b)=a+b$ Thus, we obtain: $18.3-(-7.4)=18.3+7.4=25.7$
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