Beginning Algebra With Applications, Chapter 3, 3.3, Section 3.3, Problem 18

Solve and graph the solution set $-2 + n \geq 0$

$
\begin{equation}
\begin{aligned}
-2 + n &\geq 0\\
\\
-2 + n + 2 &\geq 0 + 2 && \text{Add 2 on each side}\\
\\
n &\geq 2
\end{aligned}
\end{equation}
$