cups each contain 200 millilitres of water. 4 jugs each contain $$\(x\)$$ millilitres of water. Emma pours all the water from the 3 cups and the 4 jugs into a container. The total amount of water that Emma pours into the container from the 3 cups and 4 jugs is 3.5 litres. Work out the value of $$\(x\)$$ $$\[ x=\text {. } \]$$

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