document.write( "Question 1109570: The difference between the two digits of a two-digit number is 2. If the digits swap places, the number is 18 less than the original number. What is the original number? Can you show an algebraic solution?\r
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Algebra.Com's Answer #724552 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "If the digits swap places, the number is 18 less than the original number.
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\n" ); document.write( "\n" ); document.write( "?
\n" ); document.write( "9 and 7 ?\r
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\n" ); document.write( "\n" ); document.write( "\"97-79=18\"
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\n" ); document.write( "\"97-18=79\"\r
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\n" ); document.write( "If t for TENS and u for ONES,
\n" ); document.write( "original, \"10t%2Bu\"
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\n" ); document.write( "swapped, \"t%2B10u\".
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\n" ); document.write( "\"t%2B10u%2B18=10t%2Bu\", as a start, but after simplifying, you could pick whatever digits seem reasonable, differing by 2.\r
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\n" ); document.write( "\n" ); document.write( "original number, 97\r
\n" ); document.write( "\n" ); document.write( "(just one example)
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