7+9s=-s+3+8s

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Solution for 7+9s=-s+3+8s equation: 



7+9s=-s+3+8s

We move all terms to the left:

7+9s-(-s+3+8s)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9s-7s-3+7=0

We add all the numbers together, and all the variables

2s+4=0

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

2s=-4

s=-4/2

s=-2

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