(x-4)2/3=81

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Solution for (x-4)2/3=81 equation: 



(x-4)2/3=81

We move all terms to the left:

(x-4)2/3-(81)=0

We multiply all the terms by the denominator


(x-4)2-81*3=0

We add all the numbers together, and all the variables

(x-4)2-243=0

We multiply parentheses

2x-8-243=0

We add all the numbers together, and all the variables

2x-251=0

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

2x=251

x=251/2

x=125+1/2

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