(1/9)^7-3r=81^2r

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Solution for (1/9)^7-3r=81^2r equation: 



(1/9)^7-3r=81^2r

We move all terms to the left:

(1/9)^7-3r-(81^2r)=0

We add all the numbers together, and all the variables

-3r-81^2r+(+1/9)^7=0

We multiply all the terms by the denominator


-3r*9)^7-81^2r*9)^7+(+1=0

Wy multiply elements

-243r^3=0

We do not support erpression: r^3

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