-12=n+(-3)

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



-12=n+(-3)

We move all terms to the left:

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



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

n+(-3)

We add all the numbers together, and all the variables

n-3

Back to the equation:

-(n-3)



We get rid of parentheses

-n+3-12=0

We add all the numbers together, and all the variables

-1n-9=0

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

-n=9

n=9/-1

n=-9

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