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Mathematics 23 Online
OpenStudy (anonymous):

9^3x-10 = 81

OpenStudy (anonymous):

Express as exact answer

OpenStudy (anonymous):

x=4.

OpenStudy (anonymous):

I can tell that by looking at it, I need to see how.

OpenStudy (anonymous):

9^(3x-10)=9^2 3x-10=2 x=4.

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