-4+?=0

To find the value of the question mark, let's solve the equation -4 + ? = 0.

To isolate the question mark, we need to get rid of the -4 on the left side of the equation. Since -4 is being added to the question mark, we can do the opposite operation by subtracting -4 from both sides of the equation.

-4 + ? - (-4) = 0 - (-4)

Simplifying the equation, we have:

? + 4 = 0 + 4

Now, we have ? + 4 = 4. To isolate the question mark, we can subtract 4 from both sides of the equation.

? + 4 - 4 = 4 - 4

Simplifying further, we get:

? = 0

Therefore, the value of the question mark is 0.