One of the two equations in a system of linear equations is given. Th…

One of the two equations in a system of linear equations is given. The system has no solution. Which equation could be the second equation in this system?

x = 3 y

\frac{1}{5} x = 3 y

x = 15 y - 20

\frac{1}{5} x = 15 y - 20

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