Respuesta :

X-3= log 21(14)
X= log 21(14) /3
X= 3.86682
X= 3.867

Answer:

[tex]3.866[/tex]

Step-by-step explanation:

The given equation can be solved by using the log function.

[tex]21^{x-3} = 14\\(x-3) log 21 = log 14\\x-3 = \frac{log 14}{log 21} \\x-3 = 0.866\\x = 3.866\\[/tex]