Respuesta :
Answer:
d = 31/8 or 3 and 7/8
Step-by-step explanation:
1/2(2d - 3/4) + 2/5 = 4d/5
Distribute the 1/2 to the numbers in the parentheses
d - 3/8 + 2/5 = 4d/5
Combin the 3/8 and 2/5 by finding a common denominator
d - 31/40 = 4d/5
Multiply the 5 to cancel it out
5d - 31/8 = 4d
Move the 5d over
-31/8 = -d
Divide by -1 to make the -d positive
d = 31/8 or 3 7/8
