document.write( "Question 805328: A father is 25 years older than his son. Today, the sum of their ages is 55 years. What is the age of the father and the son? \n" ); document.write( "
Algebra.Com's Answer #485178 by mananth(16946)\"\" \"About 
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son's age be x\r
\n" ); document.write( "\n" ); document.write( "father's age = 25+x\r
\n" ); document.write( "\n" ); document.write( "sum of ages
\n" ); document.write( "x+x+25=55
\n" ); document.write( "2x+25=55
\n" ); document.write( "-25\r
\n" ); document.write( "\n" ); document.write( "2x+25-25=55-25
\n" ); document.write( "2x=30
\n" ); document.write( "/2
\n" ); document.write( "x=15\r
\n" ); document.write( "\n" ); document.write( "Son is 15\r
\n" ); document.write( "\n" ); document.write( "and father is 40 years
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