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Mathematics 7 Online
OpenStudy (anonymous):

help pleasee! For which system of equations is (5, 3) the solution? A. 3x – 2y = 9 3x + 2y = 14 B. x – y = –2 4x – 3y = 11 C. –2x – y = –13 x + 2y = –11 D. 2x – y = 7 2x + 7y = 31

OpenStudy (anonymous):

The answer is D Just try to plug in x=5 and y=3 and try each one. Only D satisfies both equations for (5,3)

OpenStudy (anonymous):

You get it?

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