document.write( "Question 580604: a father is three times older than his son. in twelve years, the man will be twice as old as his son. how old is the son now? \n" ); document.write( "
Algebra.Com's Answer #371316 by mananth(16946)\"\" \"About 
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Son's age x
\n" ); document.write( "Father's age 3 x
\n" ); document.write( " 12 years later
\n" ); document.write( "Son's age x + 12
\n" ); document.write( "Father's age 3 x + 12
\n" ); document.write( "Father's age 2 times older
\n" ); document.write( " 3 x + 12 = 2 ( x + 12 )
\n" ); document.write( " 3 x + 12 = 2 x + 24
\n" ); document.write( " 1 x = 24 -12
\n" ); document.write( " x = 12 Son's age
\n" ); document.write( " 3 x= 36 years Father's age
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