Elementary Geometry for College Students (7th Edition) Clone

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

Appendix A - A.2 - Formulas and Equations - Exercises - Page 546: 26

Answer

b=18

Work Step by Step

First, we multiply both sides by 2: $2b = 27\times 2 - \frac{b}{2} \times 2 = 54 - b$ We add $b$ to both sides: $2b + b = 3b = 54$ Then, we divide both sides by 3: $b = 54\div 3 = 18$
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