This problem is literally made in China.

Algebra Level 2

(From China Math Competitions for Secondary Schools) Given the system of equations \[mx +2y=10\]\[3x-2y=0\] has positive integer solutions, find the value of \(m^2\).

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100 Day Summer Challenge

This problem is literally made in China.

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Courses

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Community

100 Day Summer Challenge

This problem is literally made in China.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.