\begin{equation}\frac{x+2}{x+5}+\frac{x+4}{x+6}=0\end{equation}

\begin{equation}\frac{6}{x+10}=x+3\end{equation}

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

\begin{equation}\frac{5}{5x+8}=4-(\frac{9}{6x+6})\end{equation}

\begin{equation}\frac{x-7}{x}=\frac{37}{6}-(\frac{x}{x-7})\end{equation}

\begin{equation}8x+7=2-(\frac{7}{4x+10})\end{equation}