Respuesta :

70d+6-9d=35+4d-2

70d-9d-4d= 35-2-6

57d= 27

d= 27÷57

Answer: D = 9/19

Step-by-Step Explanation:

70D + 6 - 9D = 35 + 4D - 2
70D + 6 - 9D - 4D = 35 - 2
70D - 9D - 4D = 35 - 2 - 6
57D = 35 - 2 - 6
57D = 27
=> D = 27/57 = 9/19

Therefore, D = 9/19