document.write( "Question 742262: \r
\n" ); document.write( "\n" ); document.write( "four years hence a boy will be twice as old as he was 6 years ago.find his present age?
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Algebra.Com's Answer #452371 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
X+4=2(X-6)
\n" ); document.write( "X+4=2X-12
\n" ); document.write( "X-2X=-12-4
\n" ); document.write( "-X=-16
\n" ); document.write( "X=16 AGE NOW.
\n" ); document.write( "PROOF:
\n" ); document.write( "16+4=2(16-6)
\n" ); document.write( "20=2*10
\n" ); document.write( "20=20
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