document.write( "Question 931209: A man is 35 years old and his son 7 years now. In how many years will the son be half as old as his father?
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Algebra.Com's Answer #565493 by ewatrrr(24785)\"\" \"About 
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x that number of years
\n" ); document.write( "35 + x = 2(7 + x)
\n" ); document.write( "35 + x = 14 + 2x
\n" ); document.write( "21years = x
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\n" ); document.write( "And...checking
\n" ); document.write( "56 = 2(28)
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