Elementary Algebra

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

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.3 - Integers: Addition and Subtraction - Problem Set 1.3: 118

Answer

$= 90$

Work Step by Step

Recall the following rule: $-a+b=b-a$ Thus, we obtain: $= -75 + 165$ $= 165 - 75$ $= 90$
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