document.write( "Question 430961: which 3 consecutive numbers have a sum of 720 \n" ); document.write( "
Algebra.Com's Answer #299208 by algebrahouse.com(1659) You can put this solution on YOUR website! \"which 3 consecutive numbers have a sum of 720\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 1st consecutive integer \n" ); document.write( "x + 1 = 2nd consecutive integer \n" ); document.write( "x + 2 = 3rd consecutive integer\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + x + 1 + x + 2 = 720 {sum of the three consecutive integers is 720} \n" ); document.write( "3x + 3 = 720 {combined like terms} \n" ); document.write( "3x = 717 {subtracted 3 from both sides} \n" ); document.write( "x = 239 {divided both sides by 3} \n" ); document.write( "x + 1 = 240 {substituted 239, in for x, into x + 1} \n" ); document.write( "x + 2 = 241 {substituted 239, in for x, into x + 2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "239, 240, and 241 are the three integers \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |