-20=-3/4n

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Solution for -20=-3/4n equation: 



-20=-3/4n

We move all terms to the left:

-20-(-3/4n)=0



Domain of the equation: 4n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

3/4n-20=0

We multiply all the terms by the denominator


-20*4n+3=0

Wy multiply elements

-80n+3=0

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

-80n=-3

n=-3/-80

n=3/80

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