12=(a-5)3

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Solution for 12=(a-5)3 equation: 



12=(a-5)3

We move all terms to the left:

12-((a-5)3)=0



We calculate terms in parentheses: -((a-5)3), so:

(a-5)3

We multiply parentheses

3a-15

Back to the equation:

-(3a-15)



We get rid of parentheses

-3a+15+12=0

We add all the numbers together, and all the variables

-3a+27=0

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

-3a=-27

a=-27/-3

a=+9

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