Answer
See below.
Work Step by Step
a) The equation by the text of the exercise is: $|x−707|\leq55$,
b) so $-55\leq x−707\leq55$,
so $652\leq x\leq762$, thus the solution set is $[652,762]$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.6 - Equations and Inequalities Involving Absolute Value - 1.6 Assess Your Understanding - Page 133: 68
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