SOLUTION: s=n/2(a+1), for a

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Question 237563: s=n/2(a+1), for a
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
s=n/2(a+1), for a
s[2(a+1)]=n
s(2a+2)=n
2as+2s=n
2as=n-2s
a=(n-2s)/2s ans.