4=s/(-9)

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Solution for 4=s/(-9) equation: 



4=s/(-9)

We move all terms to the left:

4-(s/(-9))=0

We multiply all the terms by the denominator


-(s+4*(-9))=0



We calculate terms in parentheses: -(s+4*(-9)), so:

s+4*(-9)

We add all the numbers together, and all the variables

s-36

Back to the equation:

-(s-36)



We get rid of parentheses

-s+36=0

We add all the numbers together, and all the variables

-1s+36=0

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

-s=-36

s=-36/-1

s=+36

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