45/s=21

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Solution for 45/s=21 equation: 



45/s=21

We move all terms to the left:

45/s-(21)=0



Domain of the equation: s!=0

s∈R



We multiply all the terms by the denominator


-21*s+45=0

We add all the numbers together, and all the variables

-21s+45=0

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

-21s=-45

s=-45/-21

s=2+1/7

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