SOLUTION: S=n/2(a+1)solving for a

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Question 652980: S=n/2(a+1)solving for a
Answer by solver91311(24713) About Me  (Show Source):
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Depends. Do you mean:



or



Re-post, using sufficient parentheses to make it clear which parts of the RHS are in the numerator and which are in the denominator.

John

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