document.write( "Question 54538: Solve for n: L=a+(n-1)d\r
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Algebra.Com's Answer #36796 by Nate(3500)\"\" \"About 
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L = a + dn - d
\n" ); document.write( "L - a + d = dn
\n" ); document.write( "(L - a + d)/d = n
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