Respuesta :

Cosrt

Answer:

D. (-7)

Step-by-step explanation:

3(2 + f) = (-15)

(3 . 2) + (3 . f) = (-15)

6 + 3f = (-15)

3f = (-15) - 6

3f = (-21)

f = (-21)/3

f = (-7)

nenalezeno2

Step-by-step explanation:

6+3f=-15

subtract 6

3f=-21

then divide

f=-7

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