Answer
$-2\frac{2}{3}\lt n$
Work Step by Step
$\frac{1}{3}\lt n+3\longrightarrow$ subtract 3 from each side
$\frac{1}{3}-3\lt n+3-3\longrightarrow$ subtract
$-2\frac{2}{3}\lt n$
Check the inequality.
$\frac{1}{3}\overset?\lt0+3$
$\frac{1}{3}\lt3\checkmark$
Since $-2\frac{2}{3}$ is not included in the solution, the endpoint of the graph is an open circle.
