3n+4+3n+4+4n=12n-8

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Solution for 3n+4+3n+4+4n=12n-8 equation: 



3n+4+3n+4+4n=12n-8

We move all terms to the left:

3n+4+3n+4+4n-(12n-8)=0

We add all the numbers together, and all the variables

10n-(12n-8)+8=0

We get rid of parentheses

10n-12n+8+8=0

We add all the numbers together, and all the variables

-2n+16=0

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

-2n=-16

n=-16/-2

n=+8

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