Mathematics, 30.07.2019 15:10, taylorpayne525p8qxky

How many solutions do these have? ? x-4y=12; 5x-20y=60 1 2 infinitely many none y-7x=-14; 7y-49x=-2 1 2 infinitely many none

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How many solutions do these have? ? x-4y=12; 5x-20y=60 1 2 infinitely many none y-7x=-14; 7y-49x=...