Solve the System by Elimination, or by Any Convenient Method

question 243

Multiple Choice

Solve the system by elimination, or by any convenient method. ​
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Definitions:

Opium

A narcotic obtained from the poppy plant used historically and presently for its analgesic and narcotic properties, as well as being a subject of international trade and addiction.

Chinese Society

The social structure, customs, and way of life of the people living in China, characterized by its long history, traditions, and cultural evolution.

American Cities

Urban areas within the United States that are notable for their significant population, cultural heritage, and economic contributions.

Middle Class

A social class between the upper and working classes, including professional and business workers and their families.