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Mathematics, 16.10.2020 14:01 pandasarecute53

How many solutions does each system have? System I:
4x + 3y = -1
12x + 9y = 21

System II:
5x + 2y = - 7
15x + 6y = 21.

System I has an infinite number of solutions and System II has no solution.

Both systems have an infinite number of solutions.

Both systems have no solution.

System I has no solution and System II has an infinite number of solutions.

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How many solutions does each system have? System I:
4x + 3y = -1
12x + 9y = 21
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