ria2389
ria2389 ria2389
  • 17-04-2019
  • Mathematics
contestada

Plz help me with this

Plz help me with this class=

Respuesta :

tramserran
tramserran tramserran
  • 17-04-2019

Answer:    c) x = 5

Step-by-step explanation:

[tex]2\ log_3\ (x+4)-log_3\ 9=2\\\\2\ log_3\ (x+4)-log_3\ 3^2=2\\\\2\ log_3\ (x+4)-2=2\\\\2\ log_3\ (x+4)=4\\\\log_3\ (x+4)=2\\\\x + 4 = 3^2\\\\x+4=9\\\\\large\boxed{x=5}[/tex]

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