Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter P - Preliminary Concepts - Chapter P Review Exercises - Page 29: 43

Answer

31

Work Step by Step

Since BD bisects the angle, we know that angle ABD is equal to angle ABC. Thus, it follows: $$ x+5 = 2x-26 \\ x=31$$
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