Answer:
d = 8
Step-by-step explanation:
Edit: 20-1/5(8) = 3/10(8)+16
20-8/5 = 24/10+16
18.4 = 2.4+16
18.4 = 18.4
d = 8 is the correct answer
Hope this helped :)
Answer:
40
Step-by-step explanation:
20-1/5d=3/10d+16
20-16=3/10d-1/5d
4=3/10d-2/10d
4=1/10d
d= 40