Question

What is 9/10-(BLANK)=1/5????????? HEEEEEEEELLLLLPPP MEEEEEEE

Answer 1

7/10

Explanation:

9/10-x=1/5

1/5=2/10

9/10-x=2/10

7/10-x=0

x=7/10

Answer 2

Explanation:

7/10