Respuesta :

Answer:

d= -4

Step-by-step explanation:

3d+36=8-4d

7d= -28

d= -4

Answer: -4

Step-by-step explanation:

3(d+12) = 8-4d

3d+36=8-4d

3d+4d=8-36

7d=  -28

d= -28/7

d= -4