SOLUTION: solve log x - log (x + 4) = 2

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: solve log x - log (x + 4) = 2      Log On


   



Question 251442: solve log x - log (x + 4) = 2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve log x - log (x + 4) = 2
--------------------------------
log[x/(x+4)] = 2
x/(x+4) = 10^2
x = 100x+400
99x = -400
x = -4.0404...
Cheers,
Stan H.