Respuesta :
Answer:
7
Step-by-step explanation:
2d - 7 = 7
2d = 7 + 7
2d = 14
[tex]d = \frac{14}{2} [/tex]
= 7
...
2d - 7 =7
First add seven to both sides to get
2d = 14
Divide 2 by both sides to get
D = 7
First add seven to both sides to get
2d = 14
Divide 2 by both sides to get
D = 7