Respuesta :

Answer:

D

Step-by-step explanation:

-3x + 3y = 9 (1)

2x - 7y = -14 (2)

From (1),

3y= 9 + 3x

y = 3 + x

Using (2),

2x - 7(3 + x) = -14

2x - 21 - 7x = -14

-5x = 7

x = -7/5 = -1⅖

y = 3 + x = 3 - 7/5 = 8/5 = 2⅗

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