Examlex
Explain what an artificial variable represents in a constraint.
Mathematical Explanation
A logical reasoning process using mathematical concepts and formulas to solve problems or understand phenomena.
Supermarket Employee
A person working in a supermarket, performing various duties such as stocking shelves, operating cash registers, or providing customer service.
Checkout Counter
The place in a store where goods are paid for and where transactions are completed.
Cell Phone
A portable electronic device that enables users to make voice calls, send text messages, and access the internet.
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