(x-20)3=18

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Solution for (x-20)3=18 equation: 



(x-20)3=18

We move all terms to the left:

(x-20)3-(18)=0

We multiply parentheses

3x-60-18=0

We add all the numbers together, and all the variables

3x-78=0

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

3x=78

x=78/3

x=26

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