Question Number 11363 by uni last updated on 22/Mar/17
$$\mathrm{x}\in\mathrm{Z} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)=\mathrm{log}_{\mathrm{3}} \left(\frac{\mathrm{x}−\mathrm{5}}{\mathrm{x}−\mathrm{2}}\right)\Rightarrow\Sigma\mathrm{x}=? \\ $$