\begin{equation}\frac{x+3}{x+3}+\frac{x+5}{x+9}=0\end{equation}

\begin{equation}\frac{2}{x+9}=x+10\end{equation}

\begin{equation}\frac{2}{x}=\frac{x}{3}+\frac{3}{x}-(\frac{x}{2})\end{equation}

\begin{equation}\frac{3}{9x+5}=4-(\frac{4}{6x+10})\end{equation}

\begin{equation}\frac{x}{x-10}=\frac{17}{4}-(\frac{x-10}{x})\end{equation}

\begin{equation}9x+8=10-(\frac{3}{10x+5})\end{equation}