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 R - Elementary Algebra Review - R.1 Introduction to Algebraic Expressions - R.1 Exercise Set: 27

Answer

$39$

Work Step by Step

Subtracting a negative turns into addition. Therefore, using operations on real numbers, the given expression, $ 32-(-7) ,$ evaluates to \begin{array}{l}\require{cancel} 32+7 \\\\= 39 .\end{array}
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