31=-7+3(s-9)

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Solution for 31=-7+3(s-9) equation: 



31=-7+3(s-9)

We move all terms to the left:

31-(-7+3(s-9))=0



We calculate terms in parentheses: -(-7+3(s-9)), so:

-7+3(s-9)

determiningTheFunctionDomain
3(s-9)-7

We multiply parentheses

3s-27-7

We add all the numbers together, and all the variables

3s-34

Back to the equation:

-(3s-34)



We get rid of parentheses

-3s+34+31=0

We add all the numbers together, and all the variables

-3s+65=0

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

-3s=-65

s=-65/-3

s=21+2/3

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