\begin{equation}\frac{x+7}{x+5}+\frac{x+6}{x+3}=0\end{equation}

\begin{equation}\frac{7}{x+8}=x+4\end{equation}

\begin{equation}\frac{x}{2}=\frac{x}{4}+\frac{4}{x}-(\frac{2}{x})\end{equation}

\begin{equation}\frac{6}{9x+6}=8-(\frac{8}{6x+3})\end{equation}

\begin{equation}\frac{x-2}{x}=\frac{65}{8}-(\frac{x}{x-2})\end{equation}

\begin{equation}9x+4=5-(\frac{4}{7x+7})\end{equation}