SOLUTION: ln(x+4)-lnx=3ln2 ?

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Question 821539: ln(x+4)-lnx=3ln2 ?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

ln(x+4)-lnx=3ln2 

ln (x+4)/x = ln 2^3 

     %28x%2B4%29%2Fx+=+8***

         x + 4 = 8x

             4 = 7x

             4/7 = x

CHECKING our answer***

  %2832%2F7%29%2F%284%2F7%29+=+8