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s=2(3.14)2+(2)(3.14)(4)(12)
We move all terms to the left:
s-(2(3.14)2+(2)(3.14)(4)(12))=0
We add all the numbers together, and all the variables
s-2599.92=0
We move all terms containing s to the left, all other terms to the right
s=2599.92
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