Question

How do you solve `ln x - ln (x-3) = ln 5`?

Answer 1

`x = 15/4`

Explanation:

`ln x - ln (x-3) = ln 5`

`ln( x/(x-3)) = ln 5`

`x/(x-3) = 5`

`x = 5 x - 15`

`x = 15/4`