Let the three consecutive integer numbers be n, (n+2) and (n+4). Then your equation to find "n" is 3*n = 2*(n+4) + 19. Now simplify it and find "n" 3n = 2n + 8 + 19 3n - 2n = 8 + 19 n = 27. ANSWER. The numbers are 27, 29 and 31.