3(4n+1)=12+3n

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Solution for 3(4n+1)=12+3n equation: 



3(4n+1)=12+3n

We move all terms to the left:

3(4n+1)-(12+3n)=0

We add all the numbers together, and all the variables

3(4n+1)-(3n+12)=0

We multiply parentheses

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

We get rid of parentheses

12n-3n-12+3=0

We add all the numbers together, and all the variables

9n-9=0

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

9n=9

n=9/9

n=1

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