7/100(n)=21

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Solution for 7/100(n)=21 equation: 



7/100(n)=21

We move all terms to the left:

7/100(n)-(21)=0



Domain of the equation: 100n!=0

n!=0/100

n!=0

n∈R



We multiply all the terms by the denominator


-21*100n+7=0

Wy multiply elements

-2100n+7=0

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

-2100n=-7

n=-7/-2100

n=1/300

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