The question is in the photo.

Answer:
1
0.8
0.4
Step-by-step explanation:
y = 5x
Substituting '5':
5 = 5x
x = 5/5
x = 1
Substituting 4:
4 = 5x
x = 4/5
x = 0.8
Substituting 2:
2 = 5x
x = 2/5
x = 0.4
Answer:
1) x = 1
2) x = 4/5
3) x = 2/5
Step-by-step explanation:
1) 5= 5x
x = 1
2) 4 = 5x
x = 4/5
3) 2 = 5x
x = 2/5