document.write( "Question 824683: Graph using elimination\r
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document.write( "2x+6y=8
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document.write( "3x+9y=12 \n" );
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Algebra.Com's Answer #496690 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve using elimination \n" ); document.write( "2x+6y = 8 \n" ); document.write( "3x+9y =12 \n" ); document.write( "------- \n" ); document.write( "Modify:: \n" ); document.write( "x + 3y = 4 \n" ); document.write( "x + 3y = 7 \n" ); document.write( "----- \n" ); document.write( "Subtract: \n" ); document.write( "0 = 3 \n" ); document.write( "---- \n" ); document.write( "That is a contradiction which resulted from \n" ); document.write( "assuming there were one or more points of the form (x,y). \n" ); document.write( "------ \n" ); document.write( "That is a wrong assumption; there is no such solution. \n" ); document.write( "------------------ \n" ); document.write( "Note: the graphs of the two equations are parallel. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |