\(\Leftrightarrow\left[{}\begin{matrix}x+5\ge0\\\left\{{}\begin{matrix}x+5=2x-18\\x+5=-2x+18\end{matrix}\right.\end{matrix}\right.\)
\(\Leftrightarrow\left[{}\begin{matrix}x\ge-5\\\left\{{}\begin{matrix}-x=-23\\3x=13\end{matrix}\right.\end{matrix}\right.\)
\(\Leftrightarrow\left[{}\begin{matrix}x\ge-5\\\left\{{}\begin{matrix}x=23\left(n\right)\\x=\frac{13}{3}\left(n\right)\end{matrix}\right.\end{matrix}\right.\)