2^x+2^-x=7

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Solution for 2^x+2^-x=7 equation: 



2^x+2^-x=7

We move all terms to the left:

2^x+2^-x-(7)=0

determiningTheFunctionDomain
2^x-x-7+2^=0

We add all the numbers together, and all the variables

-1x+2^x=0

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