Question

решите уравнение $frac{x-12}{x-4}= frac{3}{5}$

Answer 1

$frac{x-12}{x-4}= frac{3}{5} \ 5*(x-12)=3*(x-4) \ 5x-60=3x-12 \ 5x-3x=-12+60 \ 2x=48 \ x=24$