Найдите корень уравнения ( 1 5 ) 3 𝑥 + 4 : ( 1 5 ) − 5 𝑥 − 2 = 1 125 ${\displaystyle {\left(\frac{1}{5}\right)}^{3x+4}:{\left(\frac{1}{5}\right)}^{-5x-2}=\frac{1}{125}}$