4s+9=-7

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Solution for 4s+9=-7 equation: 



4s+9=-7

We move all terms to the left:

4s+9-(-7)=0

We add all the numbers together, and all the variables

4s+16=0

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

4s=-16

s=-16/4

s=-4

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