Substitute:
You are going to substitute each answer choice into your equation.
-2x - y = -7
Let's take the first choice
(3,1)
x y
-2(3) - 1 = -7
-6 - 1 = -7
-7 = -7
The ordered pair that is a solution to -2x - y = -7 is (3, 1).
Answer - (3, 1)
Hope this Helps!!