Friday, May 3, 2013

9^(x-1)=100(3^x) how do i solve?


9%5E%28x-1%29=100%283%5Ex%29 

9%5Ex%2A9%5E%28-1%29=100%283%5Ex%29 

%283%5E2%29%5Ex%2F9=100%2A3%5Ex 

3%5E%282x%29%2F9=100%2A3%5Ex 

3%5E%282x%29%2F3%5Ex=100%2A9 

3%5Ex=900 

log%283%5Ex%29=log900 

x%2Alog3=log900
x=%28log900%29%2Flog3

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