document.write( "Question 992321: the sum of three consecutive natural numbers is 963, find the numbers.\r
\n" );
document.write( "\n" );
document.write( "(A) First, write out an equation that models the relationship between these three numbers:\r
\n" );
document.write( "\n" );
document.write( " x + + = 963\r
\n" );
document.write( "\n" );
document.write( " 2nd number 3rd number\r
\n" );
document.write( "\n" );
document.write( " \r
\n" );
document.write( "\n" );
document.write( "(B) Now, simplify the left side of your equation:\r
\n" );
document.write( "\n" );
document.write( " = 963\r
\n" );
document.write( "\n" );
document.write( "(C) Solve your equation and identify the three numbers: \r
\n" );
document.write( "\n" );
document.write( " The three numbers in increasing order are , and .\r
\n" );
document.write( "\n" );
document.write( "
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #611996 by ikleyn(52814)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "1. First way to solve it:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let x be the first of the three numbers. \n" ); document.write( "Then the second and the third are (x+1) and (x+2), respectively.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your equation is \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + (x+1) + (x+2) = 963.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 3 = 963,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x = 963 - 3 = 960,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thus the first number is 320, the second is 321, and the third is 322.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Please check yourself that the tree numbers satisfy the condition.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2. Second way to solve it:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let x be the second number. \n" ); document.write( "Then the first and the third numbers are (x-1) and (x+1), respectively.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "And your equation is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x-1) + x + (x+1) = 963,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x = 963,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and so on . . . \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Good luck!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |