How do I solve an exponential equation like this? – math.stackexchange.com

How do I solve an exponential equation like this? – math.stackexchange.com

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I was wondering if there was a general way to solve an equation like this: $$2^x-3^x+4=0.$$ Can this be done using logarithms? If not, then is there a way to solve it that doesn't involve "guessing" ...

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