Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises: 26

Answer

$a=8$

Work Step by Step

We multiply both sides of the equation by 9 to obtain that a-2=6. We cancel out subtraction by adding 2 on both sides to get that a=8.
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