# Chapter 2 - Section 2.7 - Absolute Value Inequalities - Vocabulary, Readiness & Video Check: 1

Choice D

#### Work Step by Step

Since $|x|=c$ implies $x=c \text{ or } x=-c,$ then the the given inequality, $|2x+1|=3 ,$ is equivalent to \begin{array}{l}\require{cancel} 2x+1=3 \text{ or } 2x+1=-3 .\end{array} Hence, $\text{ Choice D .}$

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