5n+12=3n+4n

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Solution for 5n+12=3n+4n equation: 



5n+12=3n+4n

We move all terms to the left:

5n+12-(3n+4n)=0

We add all the numbers together, and all the variables

5n-(+7n)+12=0

We get rid of parentheses

5n-7n+12=0

We add all the numbers together, and all the variables

-2n+12=0

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

-2n=-12

n=-12/-2

n=+6

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