the two consecutive numbers can be written as:

x and x+1, where x is integer

x < x+1 thus x is the smaller

three times the smaller of two consecutive integers is four less than twice the larger

3x = 2(x + 1) - 4

by solving we find:

x = -2

click here to see the step by step solution of the equation:

-2 + 1 = -1

the numbers are -1 and -2.