Respuesta :

Answer:

d = 4

Step-by-step explanation:

-24+12d = 2d - 6 + 22

10d = 40

d = 4

-24+12d=2(d-3)+22

-24+ 12d=2d-6+22

24+ 12d=2d+16

-24+12d-2d=16

12d-2d=16+24

10d=16+24

10d=40

d=4