2/7n=20

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Solution for 2/7n=20 equation: 



2/7n=20

We move all terms to the left:

2/7n-(20)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We multiply all the terms by the denominator


-20*7n+2=0

Wy multiply elements

-140n+2=0

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

-140n=-2

n=-2/-140

n=1/70

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