-12=-2(4+s)

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Solution for -12=-2(4+s) equation: 



-12=-2(4+s)

We move all terms to the left:

-12-(-2(4+s))=0

We add all the numbers together, and all the variables

-(-2(s+4))-12=0



We calculate terms in parentheses: -(-2(s+4)), so:

-2(s+4)

We multiply parentheses

-2s-8

Back to the equation:

-(-2s-8)



We get rid of parentheses

2s+8-12=0

We add all the numbers together, and all the variables

2s-4=0

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

2s=4

s=4/2

s=2

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