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 20: 77



Work Step by Step

The top number is $\text{ negative }$ and the bottom number is $\text{ positive .}$ Since the signs of the numbers are different, subtract the numbers and copy the sign of the bigger number. Hence, \begin{array}{r}\require{cancel} -53 \\\underline{\phantom{-} 24 }\\ -29 \end{array}
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