4=84/s

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Solution for 4=84/s equation: 



4=84/s

We move all terms to the left:

4-(84/s)=0



Domain of the equation: s)!=0

s!=0/1

s!=0

s∈R



We add all the numbers together, and all the variables

-(+84/s)+4=0

We get rid of parentheses

-84/s+4=0

We multiply all the terms by the denominator


4*s-84=0

We add all the numbers together, and all the variables

4s-84=0

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

4s=84

s=84/4

s=21

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