Answer:
7. 5
8. 33. 3333 or 100/ 3
9. 18/7
10. 30 /7
it's 1/3
Step-by-step explanation:
5/6+(-1/2)
5/6-1/2
LCM= 6
(5-3)/6
2/6
1/3
x=4 y=1 or (4,1)