4^(x)+2^(x)=128

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Solution for 4^(x)+2^(x)=128 equation: 



4^(x)+2^(x)=128

We move all terms to the left:

4^(x)+2^(x)-(128)=0

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

4^x+2^x=128

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