-12-6n=-3(2n-7)

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Solution for -12-6n=-3(2n-7) equation: 



-12-6n=-3(2n-7)

We move all terms to the left:

-12-6n-(-3(2n-7))=0



We calculate terms in parentheses: -(-3(2n-7)), so:

-3(2n-7)

We multiply parentheses

-6n+21

Back to the equation:

-(-6n+21)



We get rid of parentheses

-6n+6n-21-12=0

We add all the numbers together, and all the variables

-33!=0

There is no solution for this equation

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