7s-4s=12

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Solution for 7s-4s=12 equation:



7s-4s=12
We move all terms to the left:
7s-4s-(12)=0
We add all the numbers together, and all the variables
3s-12=0
We move all terms containing s to the left, all other terms to the right
3s=12
s=12/3
s=4

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