Answer
Answer A
Work Step by Step
We are given: $\frac{3}{7}=\frac{2b}{4b+2}$
$3(4b+2)=14b$
$12b+6=14b$
$2b=6$
$b=3$
The correct answer is A.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-6 Trigonometric Ratios - Practice and Problem-Solving Exercises - Page 651: 48
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