document.write( "Question 948329: A father is 27 years older than his son..In 3 years he will be twice as old as his son. Calculate the age of the father and the son. \n" ); document.write( "
Algebra.Com's Answer #578850 by macston(5194)\"\" \"About 
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F=father's age; S=son's age
\n" ); document.write( "F=S+27
\n" ); document.write( "F+3=2(S+3) Substitute for F
\n" ); document.write( "S+27+3=2S+6
\n" ); document.write( "S+30=2S+6 Subtract S from each side.
\n" ); document.write( "30=S+6 Subtract 6 from each side.
\n" ); document.write( "24=S ANSWER 1: The son is 24 years old
\n" ); document.write( "F=S+27=24+27=51 ANSWER 2: The father is 51 years old.
\n" ); document.write( "CHECK IN three years, the father will be twice as old as the son:
\n" ); document.write( "F+3=2(S+3)
\n" ); document.write( "51+3=2(24+3)
\n" ); document.write( "54=2(27)
\n" ); document.write( "54=54
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