\[3 < 2x - 5 < 6\]
\[\left\{ \begin{matrix} 2x - 5 > 3 \\ 2x - 5 < 6 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} 2x > 8\ \ \\ 2x < 11 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} x > 4\ \ \ \\ x < 5,5 \\ \end{matrix} \right.\ \]
\[4 < x < 5,5.\]