Respuesta :

Answer:

x = 2

Step-by-step explanation:

3^2x + 3^2x + 3^2x = 243

3 * (3^2x) = 243

Divide through by 3:-

3^2x = 81

But 3^4 = 81

Therefore 2x = 4

x = 2  answer
The answer is x=2
Hope this helps

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