-15=5(s+9)

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Solution for -15=5(s+9) equation: 



-15=5(s+9)

We move all terms to the left:

-15-(5(s+9))=0



We calculate terms in parentheses: -(5(s+9)), so:

5(s+9)

We multiply parentheses

5s+45

Back to the equation:

-(5s+45)



We get rid of parentheses

-5s-45-15=0

We add all the numbers together, and all the variables

-5s-60=0

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

-5s=60

s=60/-5

s=-12

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