document.write( "Question 801789: sum of father age and son age is 60 years,after 14 year father age is 3 times the son age ,calculate father and son age \n" ); document.write( "
Algebra.Com's Answer #483650 by Cromlix(4381)\"\" \"About 
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sum of father age and son age is 60 years
\n" ); document.write( "F + S = 60
\n" ); document.write( "F = 60 - S
\n" ); document.write( "after 14 year father age is 3 times the son age
\n" ); document.write( "F + 14 = 3(S + 14)
\n" ); document.write( "Replace F with 60 - S
\n" ); document.write( "60 - S + 14 = 3(S + 14)
\n" ); document.write( "60 - S + 14 = 3S + 42
\n" ); document.write( "Collect like terms:
\n" ); document.write( "- S - 3S = 42 - 14 - 60
\n" ); document.write( "-4S = - 32
\n" ); document.write( "S = 8
\n" ); document.write( "Son's age is 8 years old.
\n" ); document.write( "Father's age is 52 years old.
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
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