document.write( "Question 262069: the sum of the digits of a two-digit number is 14. if the digits are reversed, the new number is 18 less than the original number. find original number \n" ); document.write( "
Algebra.Com's Answer #193084 by palanisamy(496)![]() ![]() ![]() You can put this solution on YOUR website! Let the number be xy \n" ); document.write( "Given, x+y = 14 ...(1) \n" ); document.write( "Also,if the digits are reversed, the new number is 18 less than the original number. \n" ); document.write( " 10y+x = 10x+y-18 \n" ); document.write( " 10y+x-10x-y = -18 \n" ); document.write( " 9y-9x = -18 \n" ); document.write( " y-x = -2 ...(2) \n" ); document.write( "(1)+(2) => 2y = 12 \n" ); document.write( " y = 6 \n" ); document.write( "(1)=> x+6 = 14 \n" ); document.write( " x = 14-6=8 \n" ); document.write( "So the required number is 86 \n" ); document.write( " |