-30=(x-7)3

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Solution for -30=(x-7)3 equation: 



-30=(x-7)3

We move all terms to the left:

-30-((x-7)3)=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

-3x+21-30=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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