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: 26



Work Step by Step

$\frac{a-2}{9}=\frac{2}{3}$ multiply both sides by 9 $\frac{a-2}{9}\times9=\frac{2}{3}\times9$ simplify $a-2=\frac{18}{3}$ simplify $a-2=6$ add 2 to both sides $a-2+2=6+2$ $a=8$
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