90=3/20n

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Solution for 90=3/20n equation: 



90=3/20n

We move all terms to the left:

90-(3/20n)=0



Domain of the equation: 20n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(+3/20n)+90=0

We get rid of parentheses

-3/20n+90=0

We multiply all the terms by the denominator


90*20n-3=0

Wy multiply elements

1800n-3=0

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

1800n=3

n=3/1800

n=1/600

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