2s-7=9+4s

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Solution for 2s-7=9+4s equation: 



2s-7=9+4s

We move all terms to the left:

2s-7-(9+4s)=0

We add all the numbers together, and all the variables

2s-(4s+9)-7=0

We get rid of parentheses

2s-4s-9-7=0

We add all the numbers together, and all the variables

-2s-16=0

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

-2s=16

s=16/-2

s=-8

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