Answer
$$y=e^{\frac{-5-7x}{2x-1}}$$
Work Step by Step
Switching the elements of the domain and the range (in other words, the dependent and independent variables), we find that the inverse is:
$$x=\frac{\ln \left(y\right)-5}{2\ln \left(y\right)+7} \\ y=e^{\frac{-5-7x}{2x-1}}$$