Question

Срочно!!!Помогите!!!
$(frac{5}{12})^{x} *( frac{6}{5})^{x-1}=(0,3)^{-1}$

Answer 1

$( frac{5}{12})^x*( frac{6}{5})^x*( frac{6}{5})^{-1}= frac{10}{3} \ \ ( frac{5}{12})^x*( frac{6}{5})^x= frac{10}{3}* frac{6}{5} \ \ ( frac{5*6}{12*5})^x=4 \ \ ( frac{1}{2})^x=4 \ \ 2^{-x}=2^2 \ \ -x=2 \ \ x=-2$