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: 29



Work Step by Step

$\frac{2c}{11}=\frac{c-3}{4}$ cross multiply $8c=11(c-3)$ distributive property $8c=11c-33$ subtract 11c from both sides $8c-11c=11c-33-11c$ simplify $-3c=-33$ divide both sides by -3 $-3c\div-3=-33\div-3$ simplify $c=11$
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