2n-6+4n=12

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Solution for 2n-6+4n=12 equation: 



2n-6+4n=12

We move all terms to the left:

2n-6+4n-(12)=0

We add all the numbers together, and all the variables

6n-18=0

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

6n=18

n=18/6

n=3

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