document.write( "Question 903618: The sum of the digits of a two-digit number is 7. When the digits are reversed, the number is increased by 27. Find the original number. \n" ); document.write( "

Algebra.Com's Answer #548190 by tmwilliamlin168(27) $\"\"$ $\"About$

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x+y=7
\n" ); document.write( "10y+x=10x+y+27
\n" ); document.write( "9y-9x=27
\n" ); document.write( "y-x=3
\n" ); document.write( "y=x+3
\n" ); document.write( "2x+3=7
\n" ); document.write( "x=2
\n" ); document.write( "y=5
\n" ); document.write( "the number is 25
\n" ); document.write( " \n" ); document.write( "

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