document.write( "Question 461793: -5m+6n=-8
\n" ); document.write( "-m+3n=-7
\n" ); document.write( "how would you solve this using elimatiob by addition?
\n" ); document.write( "

Algebra.Com's Answer #316615 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "solve this using elimatiob by addition\r
\n" ); document.write( "\n" ); document.write( "\"-5m%2B6n=-8\"..........1\r
\n" ); document.write( "\n" ); document.write( "\"-m%2B3n=-7\"}..........2.....both sides multiply by \"-2\"
\n" ); document.write( "--------------------------------\r
\n" ); document.write( "\n" ); document.write( "\"-5m%2B6n=-8\"..........1\r
\n" ); document.write( "\n" ); document.write( "\"-m%28-2%29%2B3n%28-2%29=-7%28-2%29\"}..........2
\n" ); document.write( "---------------------------------------\r
\n" ); document.write( "\n" ); document.write( "\"-5m%2B6n=-8\"..........1\r
\n" ); document.write( "\n" ); document.write( "\"2m-6n=14\"}..........2..........add 1 and 2
\n" ); document.write( "--------------------------
\n" ); document.write( "
\n" ); document.write( "\"-5m%2B2m%2B6n-6n=-8%2B14\"\r
\n" ); document.write( "\n" ); document.write( "\"-3m%2Bcross%286n%29-cross%286n%29=6\"\r
\n" ); document.write( "\n" ); document.write( "\"-3m=6\"\r
\n" ); document.write( "\n" ); document.write( "\"m=6%2F-3\"\r
\n" ); document.write( "\n" ); document.write( "\"m=-2\"..........now find \"n\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-5m%2B6n=-8\"..........1...plug in \"m=-2\"\r
\n" ); document.write( "\n" ); document.write( "\"-5%28-2%29%2B6n=-8\"..........1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"10%2B6n=-8\"\r
\n" ); document.write( "\n" ); document.write( "\"6n=-8-10\"\r
\n" ); document.write( "\n" ); document.write( "\"6n=-18\"\r
\n" ); document.write( "\n" ); document.write( "\"n=-18%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"n=-3\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"-5m%2B6n=-8\"..........1...plug in \"m=-2\" and \"n=-3\"\r
\n" ); document.write( "\n" ); document.write( "\"-5%28-2%29%2B6%28-3%29=-8\"\r
\n" ); document.write( "\n" ); document.write( "\"10-18=-8\"\r
\n" ); document.write( "\n" ); document.write( "\"-8=-8\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );