3n+1=7+3n-12n

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Solution for 3n+1=7+3n-12n equation: 



3n+1=7+3n-12n

We move all terms to the left:

3n+1-(7+3n-12n)=0

We add all the numbers together, and all the variables

3n-(-9n+7)+1=0

We get rid of parentheses

3n+9n-7+1=0

We add all the numbers together, and all the variables

12n-6=0

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

12n=6

n=6/12

n=1/2

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