Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - 1.7 Exercises - Skill Practice - Page 55: 7

Answer

It is a solution.

Work Step by Step

We plug in the given value to see if it is a solution: $$\mid 3(1) -7 \mid =4 \\ \mid -4 \mid =4 \\ 4=4$$
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