sanaajackson3 sanaajackson3

02-07-2022
Mathematics

contestada

solve log7(x+9)-log7(10)

solve log7x9log710 class=

Respuesta :

konrad509 konrad509

02-07-2022

[tex]\log_7(x+9)-\log_710=\log_77\qquad(x > -9)\\\log_7\dfrac{x+9}{10}=1\\\dfrac{x+9}{10}=7\\x+9=70\\x=61[/tex]

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