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17-10-2017
Mathematics

contestada

9(1)+7y=-12 what is y

Respuesta :

10-09-2019

Answer:

y=-3

Step-by-step explanation:

9x1 = 9

9+7y = -12

9-9+7y = -12-9

7y = -21

7y :7 = -21:7

y = -3

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