20/n=45/9

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Solution for 20/n=45/9 equation: 



20/n=45/9

We move all terms to the left:

20/n-(45/9)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

20/n-5=0

We multiply all the terms by the denominator


-5*n+20=0

We add all the numbers together, and all the variables

-5n+20=0

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

-5n=-20

n=-20/-5

n=+4

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