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