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 129: 56



Work Step by Step

$\frac{w^2+3}{2w+2}=\frac{w}{2}$ cross multiply $2(w^2+3)=w(2w+2)$ distributive property $2w^2+6=2w^2+2w$ subtract $2w^2$ from each side $2w^2+6-2w^2=2w^2+2w-2w^2$ combine like terms $6=2w$ divide both sides by 2 $6\div2=2w\div2$ simplify $3=w$
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