document.write( "Question 1116867: Adam is 12 years older than his sister Emily. The sum of their ages is three times Emily's age. How old is Adam? \n" ); document.write( "
Algebra.Com's Answer #731776 by josgarithmetic(39617)\"\" \"About 
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\"system%28A=E%2B12%2Cand%2CA%2BE=3E%29\"\r
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\n" ); document.write( "\n" ); document.write( "Find A.\r
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\n" ); document.write( "\n" ); document.write( "\"A=2E\"\r
\n" ); document.write( "\n" ); document.write( "\"E=A%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"A=A%2F2%2B12\"\r
\n" ); document.write( "\n" ); document.write( "\"2A=A%2B24\"\r
\n" ); document.write( "\n" ); document.write( "\"A=24\"------Adam\r
\n" ); document.write( "\n" ); document.write( "\"E=12\"------Emily
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