1+n-1=12+3n

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Solution for 1+n-1=12+3n equation: 



1+n-1=12+3n

We move all terms to the left:

1+n-1-(12+3n)=0

We add all the numbers together, and all the variables

n-(3n+12)+1-1=0

We add all the numbers together, and all the variables

n-(3n+12)=0

We get rid of parentheses

n-3n-12=0

We add all the numbers together, and all the variables

-2n-12=0

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

-2n=12

n=12/-2

n=-6

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