Can anyone pls help me in dis I rly need dis I WILL MARK U AS BRAINLIEST

Answer:
4
Step-by-step explanation:
Since there are 3 weights on the right with the weight of 2, the overall weight on the right is 6. On the left, there is one unknown weight and one with the weight of two. Therefore, the weight of the unknown is 6-2=4. Hope this helps!