-5n-7n=12

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Solution for -5n-7n=12 equation: 



-5n-7n=12

We move all terms to the left:

-5n-7n-(12)=0

We add all the numbers together, and all the variables

-12n-12=0

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

-12n=12

n=12/-12

n=-1

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