document.write( "Question 480145: mr.jones is 30 years older than his son. six years ago he was 7 times as old as his son was then. find their present ages. \n" ); document.write( "
Algebra.Com's Answer #329336 by lwsshak3(11628)\"\" \"About 
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mr.jones is 30 years older than his son. six years ago he was 7 times as old as his son was then. find their present ages.
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\n" ); document.write( "let x=son's present age
\n" ); document.write( "x+30 =Mr Jones present age
\n" ); document.write( "..
\n" ); document.write( "6 years ago:
\n" ); document.write( "x+30-6=7(x-6)
\n" ); document.write( "x+24=7x-42
\n" ); document.write( "6x=66
\n" ); document.write( "x=11
\n" ); document.write( "ans:
\n" ); document.write( "son's present age=11
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