document.write( "Question 1012839: The sum of two digits number is 12. The tens digit in two more than the unit digit . Find the number
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Algebra.Com's Answer #628981 by fractalier(6550) $\"\"$ $\"About$

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One can guess at it, but if we call the tens digit x and the ones digit y we have
\n" ); document.write( "x + y = 12
\n" ); document.write( "x = y + 2 or x - y = 2
\n" ); document.write( "Now add them together and get
\n" ); document.write( "x + y = 12
\n" ); document.write( "x - y = 2
\n" ); document.write( "------------
\n" ); document.write( "2x = 14
\n" ); document.write( "x = 7
\n" ); document.write( "y = 5
\n" ); document.write( "75 is your number. \n" ); document.write( "

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