4^2x+64=20.4^x

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Solution for 4^2x+64=20.4^x equation: 



4^2x+64=20.4^x

We move all terms to the left:

4^2x+64-(20.4^x)=0

We get rid of parentheses

4^2x-20.4^x+64=0

We move all terms containing x to the left, all other terms to the right

4^2x-20.4^x=-64

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