document.write( "Question 623145: The sum of two numbers is 55 and the difference is 9. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #391916 by lenny460(1073)![]() ![]() You can put this solution on YOUR website! Let the first number be n\r \n" ); document.write( "\n" ); document.write( "Let the second number be n - 9\r \n" ); document.write( "\n" ); document.write( "n + n - 9 = (n + n) - 9 = 2n - 9\r \n" ); document.write( "\n" ); document.write( "2n - 9 = 55\r \n" ); document.write( "\n" ); document.write( "Add 9 to each side of the equation.\r \n" ); document.write( "\n" ); document.write( "2n - 9 + 9 = 55 + 9\r \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( "-9 + 9 = 0\r \n" ); document.write( "\n" ); document.write( "55 + 9 = 64\r \n" ); document.write( "\n" ); document.write( "2n = 64\r \n" ); document.write( "\n" ); document.write( "Divide each side by 2\r \n" ); document.write( "\n" ); document.write( "2n/2 = 64/2\r \n" ); document.write( "\n" ); document.write( "n = 32\r \n" ); document.write( "\n" ); document.write( "n - 9 = 32 - 9 = 23\r \n" ); document.write( "\n" ); document.write( "The first number is 23 and\r \n" ); document.write( "\n" ); document.write( "The second number is 32.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "obuong3@aol.com \n" ); document.write( " |