document.write( "Question 1171547: John is 31 years old. He is 4 years younger than 7 times the age of his son. How old is John's son? \n" ); document.write( "
Algebra.Com's Answer #796441 by josgarithmetic(39617)\"\" \"About 
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s, the son's age
\n" ); document.write( "\"31=7s-4\"-------solve thhis.
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