8=-4(s+7)

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Solution for 8=-4(s+7) equation: 



8=-4(s+7)

We move all terms to the left:

8-(-4(s+7))=0



We calculate terms in parentheses: -(-4(s+7)), so:

-4(s+7)

We multiply parentheses

-4s-28

Back to the equation:

-(-4s-28)



We get rid of parentheses

4s+28+8=0

We add all the numbers together, and all the variables

4s+36=0

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

4s=-36

s=-36/4

s=-9

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