Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-4 Solving Equations - Practice and Problem-Solving Exercises - Page 30: 20

Answer

$c = \frac{17}{7}$

Work Step by Step

Our goal is to isolate c. To accomplish this we will first add 2c to both sides to get all of the c's on one side: 5c - 9 = 8 - 2c 7c - 9 = 8 We will then isolate c by adding 9 to both sides and then dividing by 7: 7c - 9 = 8 7c = 17 $c = \frac{17}{7}$
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