20n-20n-2=4n

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Solution for 20n-20n-2=4n equation: 



20n-20n-2=4n

We move all terms to the left:

20n-20n-2-(4n)=0

We add all the numbers together, and all the variables

-4n-2=0

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

-4n=2

n=2/-4

n=-1/2

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