Answer
$-2 < c < 7$
Work Step by Step
$abs(2c - 5) < 9$
$ -9 < (2c-5) < 9$
$-9 + 5 < 2c - 5 + 5 < 9 + 5$
$ -4 < 2c < 14$
$ -4 *(1/2) < 2c * (1/2) < 14 * (1/2)$
$-2 < c < 7$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises - Page 211: 38
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