12=2n+1

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Solution for 12=2n+1 equation: 



12=2n+1

We move all terms to the left:

12-(2n+1)=0

We get rid of parentheses

-2n-1+12=0

We add all the numbers together, and all the variables

-2n+11=0

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

-2n=-11

n=-11/-2

n=5+1/2

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