Step 1 :The given equation is \(-4x - y = 24\).
Step 2 :We are given the value of y as 8.
Step 3 :Substitute y = 8 into the equation, we get \(-4x - 8 = 24\).
Step 4 :Solving for x, we find that x = -8.
Step 5 :Final Answer: The missing value in the solution to the equation is \(\boxed{-8}\).