(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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