12s/4=30

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Solution for 12s/4=30 equation: 



12s/4=30

We move all terms to the left:

12s/4-(30)=0

We multiply all the terms by the denominator


12s-30*4=0

We add all the numbers together, and all the variables

12s-120=0

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

12s=120

s=120/12

s=10

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