Answer:
x = 2
Step-by-step explanation:
You have 6 large blocks on one side and 4 large and 4 small on the other. The four small blocks must weigh the same as two large blocks.
If the small blocks are 1 unit, the large blocks are 2 units.
Proof:
(4 x 2) + (4 × 1) = 6 x 2
8 + 4 = 12
12 = 12
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