Question

How do you solve `7+3lnx=5`?

Answer 1

`x=e^(-2/3)=0.51342`

Explanation:

`7+3lnx=5` can be written as

`7+3lnx-7=5-7`

or `3lnx=-2`

or `lnx=-2/3`

i.e. `x=e^(-2/3)=0.51342` (using a scientific calculator)