SOLUTION: 3^(x+1)=4^(x-1) pls solve this

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Question 883209: 3^(x+1)=4^(x-1) pls solve this
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3%5E%28x%2B1%29=4%5E%28x-1%29
3%5E%28x%29%2A3%5E1=4%5E%28x%29%2A4%5E%28-1%29
3%2A3%5E%28x%29=4%5E%28x%29%2F4
3%5Ex%2F4%5Ex=1%2F12
%283%2F4%29%5E%28x%29=1%2F12
x=log%28%283%2F4%29%2C%281%2F12%29%29
or approximately,
x=8.64