Answer:
Slope = [tex]\frac{1}{3}[/tex]
Step-by-step explanation:
Write the equation in y =mx + c form
3x - 9y = 4
-9y = -3x + 4
[tex]y = \frac{-3x}{-9}+ \frac{4}{-9}\\\\y =\frac{x}{3} - \frac{4}{9}\\m = \frac{1}{3}[/tex]