document.write( "Question 813490: James is five years older than his twin sisters. The sum of the ages of the twins three years ago is equal to his age five years from now. How old will they be 12years from now? \n" ); document.write( "
Algebra.Com's Answer #489714 by TimothyLamb(4379)\"\" \"About 
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j = s + 5
\n" ); document.write( "j + 5 = 2(s - 3)
\n" ); document.write( "j + 5 = 2s - 6
\n" ); document.write( "j = 2s - 11
\n" ); document.write( "---
\n" ); document.write( "j = 2s - 11
\n" ); document.write( "s + 5 = 2s - 11
\n" ); document.write( "---
\n" ); document.write( "s = 16
\n" ); document.write( "j = 21
\n" ); document.write( "---
\n" ); document.write( "How old will they be 12years from now?
\n" ); document.write( "Answer:
\n" ); document.write( "james = 21 + 12 = 33 years old
\n" ); document.write( "each twin sister = 16 + 12 = 28 years old
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