Question

Solve
And please give me answer fast.
Then I will mark you as brainalist... ​

Answer 1

Answer:

d = 7

Step-by-step explanation:

2d - 21 = -7

=> 2d = -7 + 21

=> 2d = 14

$= > d = \frac{14}{2}$

=> d = 7 (Ans)

Answer 2

Answer:

2d = -7 +21

2d= 14

d= 7

hope you will get it