document.write( "Question 899056: Solve the equation for the indicated variable.
\n" ); document.write( "S=(n(n+1))/(8); n
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Algebra.Com's Answer #545159 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"8S=n%28n%2B1%29\"$
\n" ); document.write( " $\"n%5E2%2Bn%2B1%2F4=8S%2B1%2F4\"$
\n" ); document.write( " $\"%28n%2B1%2F2%29%5E2=8S%2B1%2F4\"$
\n" ); document.write( " $\"n%2B1%2F2=0+%2B-+sqrt%288S%2B1%2F4%29\"$
\n" ); document.write( " $\"n=-1%2F2+%2B-+sqrt%288S%2B1%2F4%29\"$
\n" ); document.write( " \n" ); document.write( "

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