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: 28

Answer

c=11

Work Step by Step

$\frac{3}{7}=\frac{c+4}{35}$ multiply both sides by 35 $\frac{3}{7}\times35=\frac{c+4}{35}\times35$ simplify $\frac{105}{7}=c+4$ subtract 4 from both sides $15-4=c+4-4$ simplify $11=c$
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