x^-4x+4=81

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Solution for x^-4x+4=81 equation: 



x^-4x+4=81

We move all terms to the left:

x^-4x+4-(81)=0

We add all the numbers together, and all the variables

-3x-77=0

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

-3x=77

x=77/-3

x=-25+2/3

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