Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises: 46

Answer

$c=28.5 $

Work Step by Step

The quantity inside of the parenthesis is being multiplied by 2/3. Thus, we first multiply by 3/2 to find that $c-18=10.5$ We then add 18 to each side to get that $c=28.5$.
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