Answer
$b=19/4 $
Work Step by Step
We multiply both sides of the equation by 5 to obtain that b+4=35/4. We cancel out addition by subtracting 4 on both sides to get that b=19/4.
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 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises - Page 127: 27
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