document.write( "Question 873151: The sum of the digits of a certain two digit number is 12. When you reverse its digits you increase the number by 36. what is the number? \n" ); document.write( "
Algebra.Com's Answer #526664 by indra89811(24)![]() ![]() You can put this solution on YOUR website! Ten's digit=x \n" ); document.write( "Unit's digit=y \n" ); document.write( "x+y=12----(1) \n" ); document.write( "Number=10x+y \n" ); document.write( "On reversing, it becomes x+10y \n" ); document.write( "x+10y-(10x+y)=36 \n" ); document.write( "-9x+9y=36 \n" ); document.write( "-x+y=4---(2) \n" ); document.write( "x+y=12---(1) \n" ); document.write( "Adding both equations, \n" ); document.write( "2y=16 \n" ); document.write( "y=8 \n" ); document.write( "Plugging in y=8 in eq (1) \n" ); document.write( "x+8=12 \n" ); document.write( "x=4\r \n" ); document.write( "\n" ); document.write( "Hence the number=10*4+8=48 \n" ); document.write( "-------------------------Peace out, hun :*--------------- \n" ); document.write( " \n" ); document.write( " |