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: 70

Answer

$-42$

Work Step by Step

Since the signs of the numbers below are the same, add the numbers and copy their common sign. Hence, \begin{array}{r}\require{cancel} -14 \\\underline{ -28 }\\ -42 \end{array}
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