Can anyone help me with this Midterm Advanced Algebra problem. (DONT ANSWER IF YOUR NOT SURE)

Answer:
x + y = 30 and x - y = 6
Step-by-step explanation:
let the 2 numbers be x and y , x > y , then
x + y = 30 ← sum of the 2 numbers
x - y = 6 ← difference of the 2 numbers