document.write( "Question 945389: The sum of 2 times a number and twice its reciprocal is 20/3.
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document.write( "Find the number(s). \n" );
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Algebra.Com's Answer #576551 by Horlaye(27)![]() ![]() You can put this solution on YOUR website! Let x represent the number \n" ); document.write( " From the sentence \n" ); document.write( " 2(x) + 2(1/x) = 20/3 \n" ); document.write( " 2x + 2/x = 20/3 \n" ); document.write( "multiply both sides of the equation by 3x \n" ); document.write( " 6x^² + 6 = 20x \n" ); document.write( " 6x^² - 20x + 6 = 0 \n" ); document.write( " 6x^² - 18x - 2x + 6 = 0 \n" ); document.write( " 6x(x-3) -2(x-3) = 0 \n" ); document.write( " (6x-2) (x-3) = 0 \n" ); document.write( " 6x-2 = 0 or x-3 = 0 \n" ); document.write( " 6x = 2 or. x = 3 \n" ); document.write( " x = 2/6 \n" ); document.write( " x = 1/3 \n" ); document.write( "Since x represented the number \n" ); document.write( "Therefore x = 1/3 or 3 \n" ); document.write( " |