-12=2-7n

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Solution for -12=2-7n equation: 



-12=2-7n

We move all terms to the left:

-12-(2-7n)=0

We add all the numbers together, and all the variables

-(-7n+2)-12=0

We get rid of parentheses

7n-2-12=0

We add all the numbers together, and all the variables

7n-14=0

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

7n=14

n=14/7

n=2

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