document.write( "Question 785354: the sum of three consecutive odd numbers is 21.find the numbers \n" ); document.write( "
Algebra.Com's Answer #477479 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! x = first \n" ); document.write( "x + 2 = second \n" ); document.write( "x + 4 = third {consecutive integers increase by 2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + x + 2 + x + 4 = 21 {sum of three consecutive odd integers is 21} \n" ); document.write( "3x + 6 = 21 {combined like terms} \n" ); document.write( "3x = 15 {subtracted 6 from each side} \n" ); document.write( "x = 5 {divided each side by 3} \n" ); document.write( "x + 2 = 7 {substituted 5, in for x, into x + 2} \n" ); document.write( "x + 4 = 9 {substituted 5, in for x, into x + 4}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5, 7, and 9 are the three consecutive odd integers \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |