\[9 < 27\ \ \ \ \ \ \ |\ :9\]
\[1 < 23\]
\[9 < 27\ \ \ \ \ |\ :( - 3)\]
\[9\ :( - 3) > 27\ :( - 3)\]
\[- 3 > - 9\]
\[9 < 27\ \ \ \ \ |\ :( - 1)\]
\[9\ :( - 1) > 27\ :( - 1)\]
\[- 9 > - 27.\]