Answer
5x + 9z + 15
Work Step by Step
To find the perimeter, we write it as a sum of the length of each side. Then, combine like terms.
7 + 5z + 3x + 8 + 4z + 2x
= 3x + 2x + 5z + 4z + 7 + 8
= 5x + 9z + 15
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: 88
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