Answer
$-9\lt x$
Work Step by Step
$-3\lt\frac{x}{3}\longrightarrow$ multiply each side by 3
$-3\times3\lt\frac{x}{3}\times3\longrightarrow$ multiply
$-9\lt x$
Check the inequality.
$-3\overset?\lt\frac{0}{3}$
$-3\lt0\checkmark$
Since -9 is not included in the solution, the endpoint of the graph is an open circle.
