3=81^2x+4

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Solution for 3=81^2x+4 equation: 



3=81^2x+4

We move all terms to the left:

3-(81^2x+4)=0

We get rid of parentheses

-81^2x-4+3=0

We add all the numbers together, and all the variables

-81^2x-1=0

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

-81^2x=1

x=1/1

x=1

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