SOLUTION: Solve the equation ln(-3x-1)-ln7=2

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Solve the equation ln(-3x-1)-ln7=2      Log On


   



Question 874628: Solve the equation
ln(-3x-1)-ln7=2

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
ln(-3x-1)-ln7=2
-----
ln%28%28-3x-1%29%2F7%29+=+2
ln%28%28-3x-1%29%2F7%29+=+ln%28e%5E2%29
%28-3x-1%29%2F7+=+e%5E2
-3x-1+=+7e%5E2
-3x+=+1+-+7e%5E2
x+=+%287e%5E2+-+1%29%2F3