(X-9)9=(x+7)3

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Solution for (X-9)9=(x+7)3 equation: 



(X-9)9=(X+7)3

We move all terms to the left:

(X-9)9-((X+7)3)=0

We multiply parentheses

9X-((X+7)3)-81=0



We calculate terms in parentheses: -((X+7)3), so:

(X+7)3

We multiply parentheses

3X+21

Back to the equation:

-(3X+21)



We get rid of parentheses

9X-3X-21-81=0

We add all the numbers together, and all the variables

6X-102=0

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

6X=102

X=102/6

X=17

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