Respuesta :

Step-by-step explanation:

3(13/2) - 2y = 9

39/2 - 2y = 9

39 - 4y/2 = 9

39 - 4y = 9 × 2

39 - 4y = 18

-4y = 18 - 39

-4y = -21

y = -21/-4

y = 21/4

Option B is correct

Answer:

y = - 21 / 4

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