-30+7s=12

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Solution for -30+7s=12 equation: 



-30+7s=12

We move all terms to the left:

-30+7s-(12)=0

We add all the numbers together, and all the variables

7s-42=0

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

7s=42

s=42/7

s=6

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