12n-2n=40

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Solution for 12n-2n=40 equation: 



12n-2n=40

We move all terms to the left:

12n-2n-(40)=0

We add all the numbers together, and all the variables

10n-40=0

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

10n=40

n=40/10

n=4

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