20/n-3=7

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Solution for 20/n-3=7 equation: 



20/n-3=7

We move all terms to the left:

20/n-3-(7)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

20/n-10=0

We multiply all the terms by the denominator


-10*n+20=0

We add all the numbers together, and all the variables

-10n+20=0

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

-10n=-20

n=-20/-10

n=+2

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