# Chapter 8 - Section 8.1 - Linear Equations with Two Variables - Exercises - Page 297: 30

$y= \frac{x}{3}-3$

#### Work Step by Step

By subtracting $x$ from each side and then dividing each side by $-3$, we get: $$x-3y=9\Longrightarrow -3y=9-x \\ \Longrightarrow y=-\frac{9-x}{3}=\frac{x}{3}-3 .$$

After 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.