The answer to the question is x > 4
Hope this will help you!! <3
If you mean this:

then x = 0. The property in play here is the following: Any number raised to the "0" power is equal to "1". In this case, we would need to set the exponent of 3x = 0 and solve for x...
If you mean the equation:

then to solve for x(your blank), simply divide both sides of the equation by

:
You would have x =

this can also be written as
Answer:
x+3
Step-by-step explanation:
You don't know how many cookies there are in a jar, therefore it is (x). You would add 3 to the jar.