Answer:
The missing variable
Step-by-step explanation:
D=2
Standard form is of course 17,497,403.
Expanded form is:
10,000,000 + 7,000,000 + 400,000 + 90,000 + 7,000 + 400 + 3
-k=7
divide each side by -1
-k/-1 = 7/-1
k = -7