8/9n=21/3

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Solution for 8/9n=21/3 equation: 



8/9n=21/3

We move all terms to the left:

8/9n-(21/3)=0



Domain of the equation: 9n!=0

n!=0/9

n!=0

n∈R



We add all the numbers together, and all the variables

8/9n-7=0

We multiply all the terms by the denominator


-7*9n+8=0

Wy multiply elements

-63n+8=0

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

-63n=-8

n=-8/-63

n=8/63

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