81^(-3/4)=x

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Solution for 81^(-3/4)=x equation: 


x in (-oo:+oo)

81^(-3/4) = x // - x

81^(-3/4)-x = 0

1/27-x = 0 // - 1/27

-x = -1/27 // * -1

x = 1/27

x = 1/27

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