-12=30-2(7+7s)

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Solution for -12=30-2(7+7s) equation: 



-12=30-2(7+7s)

We move all terms to the left:

-12-(30-2(7+7s))=0

We add all the numbers together, and all the variables

-(30-2(7s+7))-12=0



We calculate terms in parentheses: -(30-2(7s+7)), so:

30-2(7s+7)

determiningTheFunctionDomain
-2(7s+7)+30

We multiply parentheses

-14s-14+30

We add all the numbers together, and all the variables

-14s+16

Back to the equation:

-(-14s+16)



We get rid of parentheses

14s-16-12=0

We add all the numbers together, and all the variables

14s-28=0

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

14s=28

s=28/14

s=2

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