SOLUTION: Solve this equation. 3^2x-1=1/9

Algebra.Com
Question 80045: Solve this equation.
3^2x-1=1/9

Found 2 solutions by ryanman, Mona27:
Answer by ryanman(19)   (Show Source): You can put this solution on YOUR website!
3^2x=1+1/9
take Log of both sides
(2x)log3=log(10/9)
so
2x= log(10/9)/log 3
x= 0.095/2
x=0.047

Answer by Mona27(45)   (Show Source): You can put this solution on YOUR website!
I think this question may have been misunderstood because of the way it's written.


So comparing the two powers of 3:


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