The answer to this question is BD, because you are going from one side to another through the middle, while also have one side bisected because of the line. Hope this helped :)
Let the two numbers be x and y, then
x + y = 62 . . . . . . . (1)
x - y = 18 . . . . . . . .(2)
subtracting (2) from (1), we have:
2y = 44
y = 22
From (2), x + 22 = 62
x = 62 - 22 = 40
therefore, the two numbers are 40 and 22.
29 + j = 77/j is the equation.