Answer
$x=\frac{c}{a}$.
Work Step by Step
The x-intercept is when $y=0$, thus: $ax+b\cdot y=c\\ax+b\cdot0=c\\ax=c\\x=\frac{c}{a}$.
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.