Question

Помогите решить
3^x * (1/3)^(x-3) = (1/27)^x

Answer 1

3^x * (1/3)^(x-3) = (1/27)^x
3^x * (3^(-1))^(x-3)=(3^(-3))^x
3^x * 3^(-x+3)=3^(-3x)
3^(x-x+3)=3^(-3x)
3=-3x
x=-1