7s-9-5s=30

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Solution for 7s-9-5s=30 equation: 



7s-9-5s=30

We move all terms to the left:

7s-9-5s-(30)=0

We add all the numbers together, and all the variables

2s-39=0

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

2s=39

s=39/2

s=19+1/2

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