document.write( "Question 237563: s=n/2(a+1), for a \n" ); document.write( "

Algebra.Com's Answer #174742 by checkley77(12844) $\"\"$ $\"About$

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s=n/2(a+1), for a
\n" ); document.write( "s[2(a+1)]=n
\n" ); document.write( "s(2a+2)=n
\n" ); document.write( "2as+2s=n
\n" ); document.write( "2as=n-2s
\n" ); document.write( "a=(n-2s)/2s ans.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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