document.write( "Question 646083: Kim is 15 and her father is 39. In how many years will Kim's father be exactly twice as old as Kim?
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Algebra.Com's Answer #405711 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Kim is 15 and her father is 39. In how many years will Kim's father be exactly twice as old as Kim? \n" ); document.write( "---- \n" ); document.write( "Let that number of years be \"x\": \n" ); document.write( "Equation: \n" ); document.write( "39+x = 2(15+x) \n" ); document.write( "39+x = 30 + 2x \n" ); document.write( "x = 9 years \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |