Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 175: 39

Answer

$-2\frac{2}{3}\lt n$
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Work Step by Step

$\frac{1}{3}\lt n+3\longrightarrow$ subtract 3 from each side $\frac{1}{3}-3\lt n+3-3\longrightarrow$ subtract $-2\frac{2}{3}\lt n$ Check the inequality. $\frac{1}{3}\overset?\lt0+3$ $\frac{1}{3}\lt3\checkmark$ Since $-2\frac{2}{3}$ is not included in the solution, the endpoint of the graph is an open circle.
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