7=s/3

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Solution for 7=s/3 equation: 



7=s/3

We move all terms to the left:

7-(s/3)=0

We add all the numbers together, and all the variables

-(+s/3)+7=0

We get rid of parentheses

-s/3+7=0

We multiply all the terms by the denominator


-s+7*3=0

We add all the numbers together, and all the variables

-1s+21=0

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

-s=-21

s=-21/-1

s=+21

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