Answer
$0\leq x\leq1$
Work Step by Step
$|2x+1|\leq1$, thus $-1\leq2x+1\leq1\\0\leq2x\leq2\\0\leq x\leq1$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.