document.write( "Question 714193: Using linear combinations, how would you solve:
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document.write( "m+3n=2
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document.write( "-m+2n=3 \n" );
document.write( "
Algebra.Com's Answer #438724 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Add the equations to get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m+3n=2 \n" ); document.write( "-m+2n=3 \n" ); document.write( "-------- \n" ); document.write( "0m+5n=5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5n = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 5/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now use this to find m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m+3n=2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m+3(1)=2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m + 3 = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = 2 - 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "m = -1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the solutions are m = -1 and n = 1 \n" ); document.write( " |