Answer
$26$
Work Step by Step
Substituting $
x=-11
,$ the given expression, $
(x+12)-(x-14)
,$ evaluates to
\begin{array}{l}\require{cancel}
(-11+12)-(-11-14)
\\\\=
1-(-25)
\\\\=
1+25
\\\\=
26
.\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 34: 70
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