Answer:
X=3
Explanation:
1 this is rlly easy but anyways.
What you can do is 7-4 which is 3 so x=3 or you can just use your fingers and count up to 7 and that would also take 3 if you were to start at 4 and to make sure you got it right you can also do 7-3 and that would equal 4 so you answer is x=3