Answer:
in the picture above
Step-by-step explanation:
I hope that it's a clear solution and explanation.
2d+3d-2d+4d= 9d-16
2d is cancelled
3d+4d=9d-16
7d=9d-16
16=9d-7d
16=2
16/2
d=8
company d
mark brainliest
1/3