-9=-9/4n

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Solution for -9=-9/4n equation: 



-9=-9/4n

We move all terms to the left:

-9-(-9/4n)=0



Domain of the equation: 4n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

9/4n-9=0

We multiply all the terms by the denominator


-9*4n+9=0

Wy multiply elements

-36n+9=0

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

-36n=-9

n=-9/-36

n=1/4

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