document.write( "Question 383477: ten years ago, a person was half as old as he is now. how old is he now? \n" ); document.write( "
Algebra.Com's Answer #271516 by robertb(5830)\"\" \"About 
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x = his age now.
\n" ); document.write( "x - 10 = x/2;
\n" ); document.write( "x/2 = 10;
\n" ); document.write( "x = 20, his age now.
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