3s+9=-9+7s-10

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Solution for 3s+9=-9+7s-10 equation: 



3s+9=-9+7s-10

We move all terms to the left:

3s+9-(-9+7s-10)=0

We add all the numbers together, and all the variables

3s-(7s-19)+9=0

We get rid of parentheses

3s-7s+19+9=0

We add all the numbers together, and all the variables

-4s+28=0

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

-4s=-28

s=-28/-4

s=+7

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