Answer
$3$
Work Step by Step
We solve for $x$ as follows:
$$
4x-3=9\longrightarrow 4x=12\Longrightarrow x=\frac{12}{4}=3
.$$
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.