Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises - Page 127: 27



Work Step by Step

$\frac{b+4}{5}=\frac{7}{4}$ multiply both sides by 5 $\frac{b+4}{5}\times5=\frac{7}{4}\times5$ simplify $b+4=\frac{35}{4}$ reduce $b+4=8\frac{3}{4}$ subtract 4 from both sides $b+4-4=8\frac{3}{4}-4$ simplify $b=4\frac{3}{4}$
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