# How do you solve #lnx+ln(x+4)=ln5#?

##### 2 Answers

Oct 31, 2016

Use the rule

We can now use the property

However,

The only solution is hence

Hopefully this helps!

Oct 31, 2016

See logarithmic rules .

Factorise:

This means that:

x is equal to **1** as it can't be **-5** . This is your answer.