Algebra 2 (1st Edition)

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

Chapter 1, Equations and Inequalities - 1.6 Solve Inequalities - 1.6 Exercises - Skill Practice - Page 45: 35

Answer

The error is in the first step because if we subtract $3x$ from both sides, the inequality shouldn't reverse.

Work Step by Step

The error is in the first step because if we subtract $3x$ from both sides, the inequality shouldn't reverse.
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