document.write( "Question 182334: 2m-[n-(m-2n)]\r
\n" ); document.write( "\n" ); document.write( "Grouping symbols removed:\r
\n" ); document.write( "\n" ); document.write( "Like terms combined:
\n" ); document.write( "

Algebra.Com's Answer #136861 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
2m-[n-(m-2n)] \r
\n" ); document.write( "\n" ); document.write( "= 2m - [n-m+2n]\r
\n" ); document.write( "\n" ); document.write( "= 2m - [3n-m]\r
\n" ); document.write( "\n" ); document.write( "= 2m - 3n + m\r
\n" ); document.write( "\n" ); document.write( "= 3m - 3n\r
\n" ); document.write( "\n" ); document.write( "= 3(m-n)
\n" ); document.write( "=============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );