3^2x = 5^(x-1) --So… - QuestionCove

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Mathematics 21 Online

OpenStudy (anonymous):

3^2x = 5^(x-1) --Solve for x

13 years ago

OpenStudy (swissgirl):

Which method are you supposed to be using?

13 years ago

OpenStudy (anonymous):

It doesn't say. I started off by taking the natural log of both sides. I'm left with (2x)ln3 = (x-1)ln5. But I'm not really sure on what to do after that.

13 years ago

OpenStudy (swissgirl):

right that is correct so far

13 years ago

OpenStudy (anonymous):

I don't know what to do after that though

13 years ago

OpenStudy (swissgirl):

ya wait I am working on it

13 years ago

OpenStudy (anonymous):

13 years ago

OpenStudy (swissgirl):

hmmm do u have the answer by any chance?

13 years ago

OpenStudy (anonymous):

No..

13 years ago

OpenStudy (swissgirl):

uh oh its dinner time here the answer I got was 2.738132742

13 years ago

OpenStudy (swissgirl):

Try bumping the question otherwise I will be back soon to help u out ok

13 years ago

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