document.write( "Question 220182: 2n-9=n \n" ); document.write( "
Algebra.Com's Answer #165399 by rfer(16322)\"\" \"About 
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2n-9=n
\n" ); document.write( "add 9
\n" ); document.write( "2n-9+9=n+9
\n" ); document.write( "2n=n+9
\n" ); document.write( "subtract n
\n" ); document.write( "2n-n=n-n+9
\n" ); document.write( "n=9
\n" ); document.write( "
\n" );