document.write( "Question 214826: A father is three times as old as his son. In 14 years' time, he will be twice as old as his son. How old is the father now? \n" ); document.write( "
Algebra.Com's Answer #162302 by RAY100(1637)\"\" \"About 
You can put this solution on YOUR website!
Let F=fathers age now,,,,and S= son's age now
\n" ); document.write( ".
\n" ); document.write( "(1) F=3s
\n" ); document.write( ".
\n" ); document.write( "(2) (F+14) = 2(S+14)
\n" ); document.write( ".
\n" ); document.write( "F+14 = 2S +28
\n" ); document.write( ".
\n" ); document.write( "subst from (1),,,,(3S) +14 = 2s +28
\n" ); document.write( ".
\n" ); document.write( "S= 14,,,,,and F=3(14) =42
\n" ); document.write( ".
\n" ); document.write( "checking,,,(42 +14) = 2(14) + 28
\n" ); document.write( ".
\n" ); document.write( "56 = 56,,,,ok
\n" ); document.write( ".
\n" ); document.write( "
\n" ); document.write( "
\n" );