Answer
$47$
Work Step by Step
Using integer operations, the given expression, $
7(13-4)-2(19-11)
,$ simplifies to
\begin{array}{l}\require{cancel}
7(9)-2(8)
\\\\=
63-16
\\\\=
47
.\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 - 1.1 - Numerical and Algebraic Expressions - Problem Set 1.1 - Page 6: 8
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