SOLUTION: Solve this equation. 3^2x-1=1/9
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Question 80045
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Solve this equation.
3^2x-1=1/9
Found 2 solutions by
ryanman, Mona27
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Answer by
ryanman(19)
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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)
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I think this question may have been misunderstood because of the way it's written.
So comparing the two powers of 3: