Answer
$-14$
Work Step by Step
Using the properties of real numbers, the given expression, $
-72+[72+(-14)]
,$ simplifies to
\begin{array}{l}\require{cancel}
-72+[72-14]
\\\\=
(-72+72)-14
\\\\=
0-14
\\\\=
-14
\end{array}
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.5 - Use of Properties - Problem Set 1.5 - Page 33: 14
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