3(n+4)+3n=X

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Solution for 3(n+4)+3n=X equation: 



3(n+4)+3n=n

We move all terms to the left:

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

We add all the numbers together, and all the variables

2n+3(n+4)=0

We multiply parentheses

2n+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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