Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.6 Subtraction of Real Numbers - 1.6 Exercise Set - Page 50: 128



Work Step by Step

The given description, "subtract $-31$ from $-5$" translates to \begin{array}{l}\require{cancel} -5-(-31) .\end{array} Since the expression $a-(-b)$ simplifies to $a+b,$ the expression above simplifies to \begin{array}{l}\require{cancel} -5-(-31) \\\\= -5+31 \\\\= 26 .\end{array}
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