$${\frac{{\mathtt{x}}}{{\mathtt{2}}}} = {\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\frac{\left({\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{x}}{\mathtt{\,-\,}}{\mathtt{4}}\right)}{\left({\mathtt{x}}{\mathtt{\,\small\textbf+\,}}{\mathtt{4}}\right)}} \Rightarrow \left\{ \begin{array}{l}{\mathtt{x}} = {\mathtt{0}}\\
{\mathtt{x}} = {\mathtt{2}}\\
\end{array} \right\}$$