document.write( "Question 355012: The sum of two numbers is 42. One number is 2 times as large as the other. What are the numbers?
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Algebra.Com's Answer #253569 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let the numbers be x & y \n" ); document.write( "x+y =42 \n" ); document.write( "x=2y \n" ); document.write( "x-2y=0 \n" ); document.write( "... \n" ); document.write( "multiply first equation by -1 \n" ); document.write( "-x-y=-42 \n" ); document.write( "add it to equation 2 \n" ); document.write( "-2y-y = -42 \n" ); document.write( "-3y=-42 \n" ); document.write( "y = -42/-3 \n" ); document.write( "y=14 \n" ); document.write( "... \n" ); document.write( "x+y =42 \n" ); document.write( "y=14 \n" ); document.write( "so x= 28 \n" ); document.write( "the numbers are 14 & 28 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( ".. \n" ); document.write( " |