document.write( "Question 767344: The sum of 2 two-digit numbers is 89 and their difference is 19. What are the two numbers?\r
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Algebra.Com's Answer #467602 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! x + y = 89 \n" ); document.write( "x - y = 19 \n" ); document.write( "Add \n" ); document.write( "2x = 108 \n" ); document.write( " x = 54 \n" ); document.write( "Substitute x = 54 \n" ); document.write( "into: \n" ); document.write( "x + y = 89 \n" ); document.write( "54 + y = 89 \n" ); document.write( " y = 89 - 54 \n" ); document.write( " y = 35 \n" ); document.write( "54 and 35 \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |