Examlex
Determine the value of k so that the following system of linear equations has infinitely many solutions and then find the solutions:
Modern City
An urban area that features advanced infrastructure, high population density, and significant technological advancements, reflecting contemporary societal and architectural trends.
Beijing
The capital city of China, known for its rich historical sites including the Forbidden City and the Great Wall, as well as being a major hub for political, cultural, and educational activities.
Geumgangsan
A mountain located in North Korea, considered sacred and famous for its beautiful scenery, historic Buddhist temples, and art.
Jeong Seon
A prominent Korean landscape painter from the Joseon Dynasty, known for his true-view landscape paintings.
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