Answer
$ x\lt 3$
Work Step by Step
By dividing both sides of the inequality $5x\lt15$ by $5$, we have
$$
5x\lt15\Longrightarrow x\lt 3
.$$
See the figure below.
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.