-12=4+n+3

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Solution for -12=4+n+3 equation: 



-12=4+n+3

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(n+7)-12=0

We get rid of parentheses

-n-7-12=0

We add all the numbers together, and all the variables

-1n-19=0

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

-n=19

n=19/-1

n=-19

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