\frac{dx_{8}}{dt} = 0 / k_{14}\\
\frac{dx_{9}}{dt} = 0 / k_{14}\\
\frac{dx_{10}}{dt} = 0 / k_{14}\\
\frac{dx_{1}}{dt} = k_{11} \cdot k_{3} \cdot x_{5} \cdot x_{6} - k_{12} \cdot k_{4} \cdot x_{1} \cdot x_{6} - k_{3} \cdot x_{1} - k_{9} \cdot x_{1} \cdot x_{7}^{k_{13} + 1} + k_{4} \cdot x_{4} + k_{10} \cdot x_{4} \cdot x_{7}\\
\frac{dx_{2}}{dt} = k_{6} \cdot x_{7} \cdot x_{6} - k_{8} \cdot x_{2} + k_{9} \cdot x_{1} \cdot x_{7}^{k_{13} + 1} + k_{10} \cdot x_{4} \cdot x_{7}\\
\frac{dx_{3}}{dt} = k_{5} \cdot x_{7}^{k_{13}} \cdot x_{5} - k_{7} \cdot x_{3} + k_{9} \cdot x_{1} \cdot x_{7}^{k_{13} + 1}\\
\frac{dx_{4}}{dt} = k_{12} \cdot k_{4} \cdot x_{1} \cdot x_{6} - k_{4} \cdot x_{4} - k_{10} \cdot x_{4} \cdot x_{7}