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 #796443 by ikleyn(52782)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Solving backward, add 4 to 31; then divide this sum by 7.\r
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