Math

How would you solve this for x using logarithims? I tried but when I plugged my answer for x back into the equation it didn't work at all.
4^2x = 9^x-1

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  1. Take the log of each side:

    2x/ log(4) = (x-1)/log (9)

    solve for x.

  2. That's how I started but then I got confused, but I think I get it now thanks.

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