Respuesta :

Answer:

Step-by-step explanation:

[tex]t=\frac{k}{k-2} \\t(k-2)=k\\tk-2t=k\\-2t=k-tk\\-2t=k(1-t)\\\frac{-2t}{1-t}=k\\k= \frac{-2t}{1-t}[/tex]