-3n-12=3(-n-4)

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Solution for -3n-12=3(-n-4) equation: 



-3n-12=3(-n-4)

We move all terms to the left:

-3n-12-(3(-n-4))=0

We add all the numbers together, and all the variables

-3n-(3(-1n-4))-12=0



We calculate terms in parentheses: -(3(-1n-4)), so:

3(-1n-4)

We multiply parentheses

-3n-12

Back to the equation:

-(-3n-12)



We get rid of parentheses

-3n+3n+12-12=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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