Respuesta :

[tex] ({ \frac{7}{3} })^{x} = {A}^{2x} \\ [/tex]

[tex] ({ \frac{7}{3} })^{x} = {A}^{ {2}^{x} } \\ [/tex]

[tex] \frac{7}{3} = {A}^{2} \\ [/tex]

[tex]A = ± \sqrt{ \: \frac{7}{3} \: } \\ [/tex]

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I think this is the correct answer.

And we're done.

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Answer:

(7/3)^1/2

Step-by-step explanation:

I got it right on khan academy.