Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 176: 70

Answer

3 should be added to both sides of the inequality.

Work Step by Step

In the problem with the error, 3 was added to one side of the inequality and subtracted from the other. Whatever you do to one side of the equation, you must do the other side.
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