SOLUTION: how do you do log7(2-x)=log7(5x)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: how do you do log7(2-x)=log7(5x)      Log On


   



Question 747012: how do you do log7(2-x)=log7(5x)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
we use the inverse property of logs/exponents:

%0D%0A+log7%282-x%29=log7%285x%29%0D%0A


%0D%0A7%5E+log7%282-x%29=7%5Elog7%285x%29%0D%0A


and the inputs are recovered:
%0D%0A2-x=5x%0D%0A



x=1%2F3%0D%0A