document.write( "Question 536667: Serena's father is twenty-six years older than serena. In ten years, the sum of the ages will be eighty. What are their present ages? Please Help Thank you. \n" ); document.write( "
Algebra.Com's Answer #352515 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"Serena's father is twenty-six years older than serena. In ten years, the sum of the ages will be eighty. What are their present ages?\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = Serena's age now \n" ); document.write( "x + 26 = father's age now\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 10 = Serena's age in 10 years \n" ); document.write( "x + 36 = father's age in 10 years {added 10 on to each one}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 10 + x + 36 = 80 {in ten years the sum of the ages will be 80} \n" ); document.write( "2x + 46 = 80 {combined like terms} \n" ); document.write( "2x = 34 {subtracted 46 from both sides} \n" ); document.write( "x = 17 {divided both sides by 2} \n" ); document.write( "x + 26 = 43 {substituted 17, in for x, into x + 26}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Serena is 17 \n" ); document.write( "her father is 43 \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |