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Mathematics 19 Online
OpenStudy (mwhit2101):

The point (2, 1) is a solution to which of the following systems of equations? a. 2x + y = 5 and −2x + y = 2 b. −2x − y = −5 and 2x − y = 2 c. −x + y = 3 and −3x + y = −5 d. x + y = 3 and 3x − y = 5

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