document.write( "Question 285610: Jamie is 5 years older than her sister Amy. If the sum of their ages is 19, how old is Jamie?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #207012 by Theo(13342)![]() ![]() You can put this solution on YOUR website! j = jamie's age. \n" ); document.write( "a = amy's age.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "j = a + 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sum of their ages is 19 means the sum of a + a + 5 = 19.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This becomes 2a + 5 = 19.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtract 5 from both sides of the equation to get 2a = 14.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide both sides of the equation by 2 to get a = 7.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "amy is 7 years old.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jamie is 7 + 5 = 12 years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sum of their ages is 19.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "means jamie is 5 years older than amy. \n" ); document.write( " |