1=-1-s

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Solution for 1=-1-s equation: 



1=-1-s

We move all terms to the left:

1-(-1-s)=0

We add all the numbers together, and all the variables

-(-1s-1)+1=0

We get rid of parentheses

1s+1+1=0

We add all the numbers together, and all the variables

s+2=0

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

s=-2

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