Question

5) In -x + In 8 = In 36

Properties of logarithms

Answer 1

x = -4.5

Explanation:

We shall be using the following property of logarithms;

`lna+lnb=ln(a*b)`

Therefore, In -x + In 8 can be re-written as;

`ln-x+ln8=ln(-8x)\\\\ln(-8x)=ln36\\\\-8x=36\\\\x=-4.5`