document.write( "Question 782821: alan has 8 more marbles than jon does.if alan has 21 marbles,how many does jon have? \n" ); document.write( "
Algebra.Com's Answer #476538 by oscargut(2103)\"\" \"About 
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21-8 = 13\r
\n" ); document.write( "\n" ); document.write( "Answer: 13\r
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