document.write( "Question 398798: Please answer this math problem. :)\r
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document.write( "When you reverse the digits in a certain two digit number you decrease its value by 27.
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document.write( "Find the number if the sum of its digits is 3?\r
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document.write( "Thank you so much! \n" );
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Algebra.Com's Answer #282479 by mananth(16946)![]() ![]() You can put this solution on YOUR website! When you reverse the digits in a certain two digit number you decrease its value by 27. \n" ); document.write( "Find the number if the sum of its digits is 3? \n" ); document.write( "... \n" ); document.write( "let ten's digit be x \n" ); document.write( "units digit be y \n" ); document.write( ".. \n" ); document.write( "x+y = 3.................1 \n" ); document.write( ".. \n" ); document.write( "10y+x= 10x+y-27 \n" ); document.write( "9y-9x=-27 \n" ); document.write( "/9 \n" ); document.write( "y-x=-3...................2 \n" ); document.write( "add (1) & (2) \n" ); document.write( "2y=-3+3 \n" ); document.write( "2y=0 \n" ); document.write( "y=0 \n" ); document.write( "So x = 3 \n" ); document.write( "The number is 30 \n" ); document.write( " |