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Mathematics 21 Online
OpenStudy (annebelleschneiders):

Solve 5^(2x)=7^(x-1)

OpenStudy (anonymous):

5=2x=7x-1 http://www.wolframalpha.com/input/?i=5%5E(2x)%3D7%5E(x-1)

OpenStudy (freckles):

take ln( ) of both sides

OpenStudy (freckles):

this will allow you to do something special with the exponents there

OpenStudy (annebelleschneiders):

i got it the answer is -1.52864

OpenStudy (freckles):

that is approximately right

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