Question

$log_{9}$ (27-54x)=$log_{9}$ (81-108x)-1,5

Answer 1

$log_{9}(81-108x)-log_{9}(27-54x)=1.5 \ log_{9}(frac{3-4x}{1-2x})=1.5 \ frac{3-4x}{1-2x}=27 \ 3-4x=27-54x \ x=0.48$