document.write( "Question 1059198: if the age of a father is 30 years more than his son, after 4 years the age of the father will be four time than his son. what is the age of the son?
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Algebra.Com's Answer #674266 by addingup(3677)\"\" \"About 
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f = s+30
\n" ); document.write( "f+4 = 4(s+4) substitute for f on left and distribute 4 on right
\n" ); document.write( "s+30+4 = 4s+16
\n" ); document.write( "s+34 = 4s+16
\n" ); document.write( "18 = 3s
\n" ); document.write( "3s = 18
\n" ); document.write( "s = 6
\n" ); document.write( "The son is 6 and the father is 6+30 = 36
\n" ); document.write( "In 4 years:
\n" ); document.write( "f: 36+4 = 40
\n" ); document.write( "s: 6+4 = 10 and 10*4 = 40 Correct
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\n" ); document.write( "John
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