Question

4 5 5 4
-8
-8
-7
3
5. Verify that:
-5 9
13
-5
9
13
(-20+
+6+=)=(-20+ 3) =
-10
+
+
8.
8
8
8
8
8
following​

Answer 1

Hey friend,what is that question..?

Actually can't understand...

I can't answer it,sorry for that.....