document.write( "Question 489591: Solve the system of equations\r
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document.write( "x + y = 5\r
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document.write( "x - y = -9 \n" );
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Algebra.Com's Answer #333708 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x + y = 5\r \n" ); document.write( "\n" ); document.write( "x - y = -9 \r \n" ); document.write( "\n" ); document.write( "add the two equations\r \n" ); document.write( "\n" ); document.write( "2x=-4 \n" ); document.write( "/2 \n" ); document.write( "x=-2 \n" ); document.write( "plug x=-2 \n" ); document.write( "-2+y=5 \n" ); document.write( "y=7\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |