-12=-4(s-2)

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



-12=-4(s-2)

We move all terms to the left:

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



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

-4(s-2)

We multiply parentheses

-4s+8

Back to the equation:

-(-4s+8)



We get rid of parentheses

4s-8-12=0

We add all the numbers together, and all the variables

4s-20=0

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

4s=20

s=20/4

s=5

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