can someone help me I honestly don't know what that means...like what do all the simbles mean in the question.

Answer:
x = 3
Step-by-step explanation:
if you count the right side you get 13 so now you subtract the ones on the left so like this
(13 - 4 = 9) now divide 9 with 3 and get 3
Answer:
i think the answer is 9 yea
Step-by-step explanation:
because the first 1 if you minus it from the second 1 I think 9 is now the only answer does it help