document.write( "Question 446178: Solve by substitution method.
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document.write( "5m+n=23
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document.write( "m-9n=69
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document.write( "Solution type in ordered pair. \n" );
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Algebra.Com's Answer #307242 by The One(11)![]() ![]() ![]() You can put this solution on YOUR website! 5m+n=23 \n" ); document.write( "m-9n=69 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "m-9n=69 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "m-9(-5m+23)=69 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "m+45m-207=69 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "46m-207=69 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "46m=207+69 \r \n" ); document.write( "\n" ); document.write( "Add 69 to 207 to get 276. \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( "46m=276 \r \n" ); document.write( "\n" ); document.write( "n=-5m+23 \n" ); document.write( " \n" ); document.write( "n=-5m+23 \n" ); document.write( "m=6 \r \n" ); document.write( "\n" ); document.write( "n=-5(6)+23 \n" ); document.write( "m=6 \r \n" ); document.write( "\n" ); document.write( "n=-30+23 \n" ); document.write( "m=6 \r \n" ); document.write( "\n" ); document.write( "Add 23 to -30 to get -7. \r \n" ); document.write( "\n" ); document.write( "n=-7 \r \n" ); document.write( "\n" ); document.write( "m=6 \r \n" ); document.write( "\n" ); document.write( "n=-7 \r \n" ); document.write( "\n" ); document.write( "m=6 \n" ); document.write( " \n" ); document.write( " |