8+¤=35-20 9+¤=57-40 6+¤=24-10

Question

8+¤=35-20
9+¤=57-40
6+¤=24-10

Answer 1

8+x=5
x=5-8
x=-3
9+x=3
x=3-9
x=-6
6+x=14
x=14-6
x=8

Answer 2

8+x=5. 9+x=3 6+x=14.