Answer
$72$
Work Step by Step
Substituting $
x=-5
,$ the given expression, $
8(x+4)-10(x-3)
,$ evaluates to
\begin{array}{l}\require{cancel}
8(-5+4)-10(-5-3)
\\\\=
8(-1)-10(-8)
\\\\=
-8+80
\\\\=
72
.\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: 67
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