Answer:
Step-by-step explanation:
-d - 4 = -8
-d = -4
d = 4
d= 4
4d - 4 = 5d – 8
Subtract 4d from each side
4d-4d - 4 = 5d-4d – 8
-4 = d-8
Add 8 to each side
-4+8 = d-8+8
4 =d
