-4s=8(-s-7)

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



-4s=8(-s-7)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-4s-(8(-1s-7))=0



We calculate terms in parentheses: -(8(-1s-7)), so:

8(-1s-7)

We multiply parentheses

-8s-56

Back to the equation:

-(-8s-56)



We get rid of parentheses

-4s+8s+56=0

We add all the numbers together, and all the variables

4s+56=0

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

4s=-56

s=-56/4

s=-14

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