12=8-1/5n

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Solution for 12=8-1/5n equation: 



12=8-1/5n

We move all terms to the left:

12-(8-1/5n)=0



Domain of the equation: 5n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(-1/5n+8)+12=0

We get rid of parentheses

1/5n-8+12=0

We multiply all the terms by the denominator


-8*5n+12*5n+1=0

Wy multiply elements

-40n+60n+1=0

We add all the numbers together, and all the variables

20n+1=0

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

20n=-1

n=-1/20

n=-1/20

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