document.write( "Question 701835: The sum of the digits of 2-digit number is 11.The number obtained by inter changing the digits exceeds the original number by 27.find the number. \n" ); document.write( "
Algebra.Com's Answer #432668 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! The sum of the digits of 2-digit number is 11.The number obtained by inter changing the digits exceeds the original number by 27.find the number. \n" ); document.write( "** \n" ); document.write( "let u=units digit \n" ); document.write( "let t=tens digit \n" ); document.write( "t+u=11 \n" ); document.write( "t=11-u \n" ); document.write( ".. \n" ); document.write( "10t+u+27=10u+t \n" ); document.write( "10(11-u)+u+27=10u+11-u \n" ); document.write( "110-10u+u+27=9u+11 \n" ); document.write( "127-9u=9u+11 \n" ); document.write( "18u=126 \n" ); document.write( "u=7 \n" ); document.write( "t=11-u \n" ); document.write( "t=4 \n" ); document.write( "original number: \n" ); document.write( "=10t+u \n" ); document.write( "=40+7 \n" ); document.write( "=47 \n" ); document.write( " |