3n+2n+3n=12+3n

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Solution for 3n+2n+3n=12+3n equation: 



3n+2n+3n=12+3n

We move all terms to the left:

3n+2n+3n-(12+3n)=0

We add all the numbers together, and all the variables

3n+2n+3n-(3n+12)=0

We add all the numbers together, and all the variables

8n-(3n+12)=0

We get rid of parentheses

8n-3n-12=0

We add all the numbers together, and all the variables

5n-12=0

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

5n=12

n=12/5

n=2+2/5

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