Question

()^X=

Answer 1

$(\frac{2}{7})^{x}=\frac{7}{2}\\\\(\frac{2}{7})^{x}=(\frac{2}{7})^{-1}\\\\\boxed{x=-1}$

Answer 2

It seems like you've provided an expression with a variable "X" raised to an unspecified power, but there's no specific mathematical operation or equation defined. If you have a question or a specific operation in mind, please provide more context or clarify your request, and I'd be happy to help!