7/n+14=21

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Solution for 7/n+14=21 equation: 



7/n+14=21

We move all terms to the left:

7/n+14-(21)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

7/n-7=0

We multiply all the terms by the denominator


-7*n+7=0

We add all the numbers together, and all the variables

-7n+7=0

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

-7n=-7

n=-7/-7

n=1

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