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20-11-2015
Mathematics

contestada

Which ordered pair is the solution to the system of equations? x+y=4

x-y=-6

A. (2, 2) B. (1, −7) C. (−1, 5) D. (−2, 4)

Respuesta :

20-11-2015

C. (-1,5)
-1 - 5 = -6

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