-12s+1=-18s-20

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Solution for -12s+1=-18s-20 equation: 



-12s+1=-18s-20

We move all terms to the left:

-12s+1-(-18s-20)=0

We get rid of parentheses

-12s+18s+20+1=0

We add all the numbers together, and all the variables

6s+21=0

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

6s=-21

s=-21/6

s=-3+1/2

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