8+10-2s=s-9

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Solution for 8+10-2s=s-9 equation: 



8+10-2s=s-9

We move all terms to the left:

8+10-2s-(s-9)=0

We add all the numbers together, and all the variables

-2s-(s-9)+18=0

We get rid of parentheses

-2s-s+9+18=0

We add all the numbers together, and all the variables

-3s+27=0

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

-3s=-27

s=-27/-3

s=+9

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