N/7=3n=21

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Solution for N/7=3n=21 equation: 



/7=3N=21

We move all terms to the left:

/7-(3N)=0

We multiply all the terms by the denominator


-3N*7+=0

We add all the numbers together, and all the variables

-3N*7=0

Wy multiply elements

-21N=0

N=0/-21

N=0

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