-2(s-20)=12

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Solution for -2(s-20)=12 equation: 



-2(s-20)=12

We move all terms to the left:

-2(s-20)-(12)=0

We multiply parentheses

-2s+40-12=0

We add all the numbers together, and all the variables

-2s+28=0

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

-2s=-28

s=-28/-2

s=+14

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