Let the two consecutive integers be n and (n+1). Then the condition gives you an equation 2*(n+1) = 3n - 15. 2n + 2 = 3n - 15. Add 15 to both sides. 2n + 2 + 15 = 3n. Subtract 2n from both sides 2 + 15 = 3n - 2n, 17 = n. Answer. the two integers are 17 and 18.