Respuesta :

Answer:

100

Step-by-step explanation:

200 + 6d = 800

Subtract 200 from each side: 6d=600

Divide 6 from each side: d=100

Answer:

d =100

Step-by-step explanation:

200 + 6d=800

Subtract 200 from each side

200-200 + 6d=800-200

6d = 600

Divide each side by 6

6d/6 = 600/6

d = 100