Answer
$16x+65$
Work Step by Step
Using the Distributive Property and then combining like terms, the given expression, $
7(x+8)+9(x+1)
,$ simplifies to
\begin{array}{l}\require{cancel}
7x+56+9x+9
\\\\=
(7x+9x)+(56+9)
\\\\=
16x+65
.\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: 52
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