document.write( "Question 355609: if the digits of a two digit number are reversed, the number is increased by 36. The sum of the digit in the number is three times their difference. What is the number? \n" ); document.write( "
Algebra.Com's Answer #253927 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let the digit in tens place be x \n" ); document.write( "& in the units place be y \n" ); document.write( ".. \n" ); document.write( "10y+x=10x+y+36 \n" ); document.write( "9y-9x=36 \n" ); document.write( "/9 \n" ); document.write( "y-x=4.....................1 \n" ); document.write( "... \n" ); document.write( "x+y=3(x-y) \n" ); document.write( "x+y=3x-3y \n" ); document.write( "2x-4y=0 \n" ); document.write( "/2 \n" ); document.write( "x-2y=0....................2\r \n" ); document.write( "\n" ); document.write( "Add equation1 & 2 \n" ); document.write( "-y=4 \n" ); document.write( "y=-4 \n" ); document.write( "plug value of y in 1 \n" ); document.write( "y-x=4 \n" ); document.write( "-4-x=4 \n" ); document.write( "x=-8\r \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( "-84 is the number \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |