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Select the correct answer. What is the solution to this equation? 9^x-1=2

User Sharondio
by
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1 Answer

4 votes

Answer:

See below which answer is most appropriate

Explanation:

If you mean
9^(x-1)=2:


9^(x-1)=2


x-1=log_9(2)


x=log_9(2)+1

If you mean
9^x-1=2:


9^x-1=2


9^x=3


3^(2x)=3


2x=1


x=(1)/(2)

User ChrisianBartram
by
7.9k points

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