4/5n-3=21

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Solution for 4/5n-3=21 equation: 



4/5n-3=21

We move all terms to the left:

4/5n-3-(21)=0



Domain of the equation: 5n!=0

n!=0/5

n!=0

n∈R



We add all the numbers together, and all the variables

4/5n-24=0

We multiply all the terms by the denominator


-24*5n+4=0

Wy multiply elements

-120n+4=0

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

-120n=-4

n=-4/-120

n=1/30

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