What is x?
7(x – 5) = 9x – 3

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Simplify using positive exponents only.