Anonymous Anonymous

06-10-2014
Mathematics

Answered

LITERAL EQUATIONS

2S=n(a+k) for k

Verified Answer :

06-10-2014

\(2S=n(a+k)\ \ \ |Omit\ the\ bracket\\\\ 2S=na+nk\ \ \ \ |Subtract\ "na"\ from\ each\ side\\\\ 2S-na=nk\ \ \ \ |Divide\ by\ n\\\\ \frac{2S-na}{n}=k\\\\Solution\ is\ k=\frac{2S-na}{n}.\)

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