506,211+424,809=931,020 sum means add hope this helps
The solution of the given logarithmic equation is x = 28.1
<h3>
How to solve the logarithmic equation?</h3>
Here we have the logarithmic equation:
4*ln(x - 8) = 12
And we want to solve this for x.
Remember the relations:

First, we divide both sides by 4:

Then, if we apply the exponential equation to both sides of our equation, we get:

If you want to learn more about logarithmic equations:
brainly.com/question/236421
#SPJ1
You have to multiply 2.50 by 5 and the result is12.50
Find the nonpermissible replacement for a in this expression 6/-5a
Denominator cannot be zero or else undefined so set the denominator to zero and solve for the a that will cause the denominator to be zero.
-5a=0
-5/-5x=0/-5
x=0
Nonpermissable replacement is 0.