Question

Найдите х
срочно плиз)​

Answer 1

$log_{5}x=2log_{5} 3+\frac{1}{2}log_{5}49-\frac{1}{3}log_{5}27\\\\log_{5}x=log_{5}3^{2} +log_{5} 49^{\frac{1}{2}}-log_{5}27^{\frac{1}{3}}\\\\log_{5}x=log_{5}9+log_{5}7-log_{5}3\\\\log_{5}x=log_{5}\frac{9*7}{3}\\\\log_{5}x=log_{5}21\\\\x=21$