Examlex
If possible, solve the system of equations. Use any method. If there is not a unique solution to a system, say why.
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Economic Concept
A theoretical idea or principle that forms the basis of economic analysis and understanding, such as supply and demand.
High-rise
A building that is significantly taller than the average structure, often used for residential or commercial purposes.
Recycling
The process of converting waste materials into new materials and objects, aiming to reduce consumption of fresh raw materials, decrease energy usage, reduce air pollution (from incineration) and water pollution (from landfilling).
Tax Per Unit
A fixed amount charged as tax on a single unit of a good or service.
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