12-7n=57

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Solution for 12-7n=57 equation: 



12-7n=57

We move all terms to the left:

12-7n-(57)=0

We add all the numbers together, and all the variables

-7n-45=0

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

-7n=45

n=45/-7

n=-6+3/7

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