Answer
$12+3a$
Work Step by Step
Using $a(b+c)=ab+ac$ or the Distributive Property, then the given expression, $
3(4+a)
$, is equivalent to
\begin{array}{l}
12+3a
.\end{array}
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 3 - Introduction to Graphing - 3.5 Slope - 3.5 Exercise Set - Page 201: 73
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