Monday, July 15, 2013

Solve log3 3x - log3 (x-4) = 2

%0D%0Alog%283%2C+3x%29+-+log%283%2C+%28x-4%29%29+=+2%0D%0A 

%0D%0Alog%283%2C+3x%2F%28x-4%29%29+=+2%0D%0A 

%0D%0A3%5Elog%283%2C+3x%2F%28x-4%29%29+=+3%5E2%0D%0A 

%0D%0A3x%2F%28x-4%29=+9%0D%0A 


3x=9x-36 

x=6
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