document.write( "Question 624189: efren is now 25 years older than his son in 7 years he will be 3 years more than the thrice as his son age. what are their present ages \n" ); document.write( "
Algebra.Com's Answer #392729 by lwsshak3(11628)\"\" \"About 
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efren is now 25 years older than his son in 7 years he will be 3 years more than the thrice as his son age. what are their present ages
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\n" ); document.write( "let x=son's present age
\n" ); document.write( "x+25=efren's present age
\n" ); document.write( "..
\n" ); document.write( "7 yrs hence
\n" ); document.write( "son's age =x+7
\n" ); document.write( "efren's age=x+25+7
\n" ); document.write( "..
\n" ); document.write( "x+25+7=3(x+7)+3
\n" ); document.write( "x+32=3x+21+3
\n" ); document.write( "2x=8
\n" ); document.write( "x=4
\n" ); document.write( "x+25=29
\n" ); document.write( "son's present age=4
\n" ); document.write( "efren's present age=29 \n" ); document.write( "
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