-7s-2=-8s-9

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Solution for -7s-2=-8s-9 equation: 



-7s-2=-8s-9

We move all terms to the left:

-7s-2-(-8s-9)=0

We get rid of parentheses

-7s+8s+9-2=0

We add all the numbers together, and all the variables

s+7=0

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

s=-7

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