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 - Page 21: 127


The answer is below.

Work Step by Step

In order to use your calculator, type the expressions into your calculator exactly as they appear. (How to do this will vary from calculator to calculator.) Although a calculator sometimes needs parentheses to get correct order of operations, the parentheses are already provided by the book.
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