document.write( "Question 101122: sum of the digits of a two no. is 9 the no. obtained by interchanging the digits exceed the given no. by 27 find the given no. \n" ); document.write( "
Algebra.Com's Answer #73620 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=9 OR X=9-Y \n" ); document.write( "10X+Y=10Y+X+27 \n" ); document.write( "10(9-Y)+Y=10Y+(9-Y)+27 \n" ); document.write( "90-10Y+Y=10Y+9-Y+27 \n" ); document.write( "-18Y=36-90 \n" ); document.write( "-18Y=-54 \n" ); document.write( "Y=-54/-18 \n" ); document.write( "Y=3 ANSWER. \n" ); document.write( "X+3=9 \n" ); document.write( "X=9-3 \n" ); document.write( "X=6 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "10*6+3=10*3+6+27 \n" ); document.write( "60+3=30+6+27 \n" ); document.write( "63=63\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |