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2024年5月C卷 · 第 20 题

2024年5月C卷 · 原库模块 2 · Q20 原库参考解析


31(x - n)=31y+31n
One of the equations in a system of two linear equations is given, where n is a positive constant. The system has no solution. Which equation could be the second equation in this system?
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