.
Solve the equation
ln(−8 − x) + ln 3 = ln(2 − x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The domain to this equation is the solution set to these two inequalities
-8 - x > 0 AND 2 - x > 0.
They define the domain as the set { x | x < -8 }.
So, we will assume that 'x' is in this domain.
Then from the given equation, due to the properties of logarithms, we have
(-8 - x)*3 = 2 - x,
-24 - 3x = 2 - x
-24 - 2 = 3x - x
-26 = 2x
x = -26/2 = -13.
This value -13 is in the domain, so it is the solution to the given equation. ANSWER
You may CHECK that at x = -13 both sides of the given equation are ln(15):
they coincide, so the answer is correct.
Solved.
What is written in the post by @lynnlo is a blatant gibberish,
so ignore his/her post for the peace in your mind.