@Lisazgen Insufficient data for a meaningful answer.
A pair of earphones is 10.
1 left earphone is not defined as half a pair.
1 could be the square root of 10.
It could be an independent value.
All we know is LR = 10
L and R are undefined variables.
@NoContextHumans The store loses $100. If $100 of goods was stolen they would be down $100. If you steal money then swap it for goods at the store it's still $100.