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Mathematics, 09.12.2021 18:50 tareas7009

Suppose x and y are positive integers that satisfy the following equation: 7xy + 7y - 9x + 10 = 2019 Find the sum of x and y. A. 15
B. 18
C. 21
D. 34
E. No possible values

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Suppose x and y are positive integers that satisfy the following equation: 7xy + 7y - 9x + 10 = 2019...
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