-4s-(-8s)-5s=-20

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Solution for -4s-(-8s)-5s=-20 equation: 



-4s-(-8s)-5s=-20

We move all terms to the left:

-4s-(-8s)-5s-(-20)=0

We add all the numbers together, and all the variables

-9s-(-8s)+20=0

We get rid of parentheses

-9s+8s+20=0

We add all the numbers together, and all the variables

-1s+20=0

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

-s=-20

s=-20/-1

s=+20

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