document.write( "Question 120940:
\n" ); document.write( "s=n/2(a+L); for L please show me how to solve this step by step.. thank you
\n" ); document.write( "

Algebra.Com's Answer #88725 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
S=N/2(A+L)
\n" ); document.write( "S=N(A+L)/2 now cross multiply.
\n" ); document.write( "N(A+L)=2S
\n" ); document.write( "AN+AL=2S
\n" ); document.write( "AL=2S-AN
\n" ); document.write( "L=(2S-AN)/A ANSWER.
\n" ); document.write( "
\n" );