document.write( "Question 167544: elimination method:
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document.write( "9x-9y=36
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document.write( "7y-3x=-14 \n" );
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Algebra.Com's Answer #123437 by sowmya(32)![]() ![]() ![]() You can put this solution on YOUR website! elimination method: \n" ); document.write( "9x-9y=36 \n" ); document.write( "7y-3x=-14\r \n" ); document.write( "\n" ); document.write( "eq 1: \n" ); document.write( "x-y = 4 \n" ); document.write( "x = y+4\r \n" ); document.write( "\n" ); document.write( "eq 2: \n" ); document.write( "3x = 7y+14 \n" ); document.write( "x = (7y+14)/3\r \n" ); document.write( "\n" ); document.write( "1 and 2 \n" ); document.write( "=> y+4 = (7y+14)/3 \n" ); document.write( "=> 3y+12 = 7y+14 \n" ); document.write( "=>4y = -2 \n" ); document.write( " => y = -1/2\r \n" ); document.write( "\n" ); document.write( "x = 7/2 \n" ); document.write( " \n" ); document.write( " |