Respuesta :

Answer:

-13

Step-by-step explanation:

[tex] {3}^{x - 5} = {9}^{x + 4} \\ \\ \implies \: {3}^{x - 5} = {3}^{2(x + 4)} \\ \\ \implies \: {3}^{x - 5} = {3}^{2x + 8} \\ \\ \implies \: x - 5 = 2x + 8 \\ \\ x - 2x = 8 + 5 \\ \\ \implies \: - x = 13 \\ \\ \implies \: x = - 13[/tex]

The. Answer is -13 just look at other persons answer
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