(2/3)^x * (9/8)^х = 27/64
Преобразованием получаем: 18^x / 24^x = 27/64 3^x/4^x = 27*64 3^x/4^x = 3^3/ 4^3 => X= 3
(2/3*9/8)^x=27/64 3/4^x=27/64 3/4^x=3/4^3 x=3