document.write( "Question 142644: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers?\r
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Algebra.Com's Answer #103813 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+y=72 or x=72-y \n" ); document.write( "x=2y+6 \n" ); document.write( "now we set these equations equal to each other: \n" ); document.write( "72-y=2y+6 \n" ); document.write( "-y-2y=6-72 \n" ); document.write( "-3y=-66 \n" ); document.write( "y=-66/-3 \n" ); document.write( "y=22 for one number. \n" ); document.write( "x=72-22 \n" ); document.write( "x=50 for the other number. \n" ); document.write( "proof: \n" ); document.write( "50=2*22+6 \n" ); document.write( "50=44+6 \n" ); document.write( "50=50 \n" ); document.write( " \n" ); document.write( " |