Answer
19n + 11
Work Step by Step
To find the perimeter, we write it as a sum of the length of each side. Then, combine like terms.
2 + 6 + 5n + 7n + 3 + 7n
= 5n + 7n + 7n + 2 + 6 + 3
= 19n + 11
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 1 - Introduction to Algebraic Expressions - 1.5 Addition of Real Numbers - 1.5 Exercise Set - Page 43: 90
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