document.write( "Question 264377: The tens digits of a number is 2 less than the units digit. The sum of the digits is 12. Identify what the number is. \n" ); document.write( "

Algebra.Com's Answer #854004 by ikleyn(53750) $\"\"$ $\"About$

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\n" ); document.write( "The tens digits of a number is 2 less than the units digit. The sum of the digits is 12.
\n" ); document.write( "Identify what the number is.
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\n" ); document.write( "\n" ); document.write( "        The solution in the post by @mananth is incorrect due to an arithmetic error in his calculations.\r
\n" ); document.write( "\n" ); document.write( "        I came to bring a correct solution.\r
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\n" ); document.write( "\n" ); document.write( "let the unit digit be x
\n" ); document.write( "ten's digit will be x-2
\n" ); document.write( "x + (x-2) = 12
\n" ); document.write( "2x = 14
\n" ); document.write( "x = 7 (the units digit)
\n" ); document.write( "the tens digit = 7 - 2 = 5
\n" ); document.write( "The number is 57.             ANSWER\r
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\n" ); document.write( "\n" ); document.write( "Solved correctly.\r
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