2n-n-4=7n

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Solution for 2n-n-4=7n equation: 



2n-n-4=7n

We move all terms to the left:

2n-n-4-(7n)=0

We add all the numbers together, and all the variables

-6n-4=0

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

-6n=4

n=4/-6

n=-2/3

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