Confusion: Right/Wrong

[Blizzard Blizz]

To explain arrows thoery,It is realted to maths.My fav subject.

Consider 5 attacks and 5 defenders.
Attacking rate of attacker before forward arrow=n
Attacking ratw of attacker after forward arrow=n+1
Defending rate of defender before backward arrow=y
Defending rate of defender after backward arrow=y+1

Case 1;Players have no arrow.
Attacking rate before forward arrow=Defending rate before backward arrow.

n=y keep it in mind.(P)

Case 2:When all players have arrow.
Attacking rate of attacker after forward arrow=Defending rate of defender after backward arrow.

n+1=y+1 or n=y+1-1
So result n=y. As it is equal to above result,hence proved.

Result=There is no net change in player when there is no arrow or all arrows.
Bro now its clear?

Sorry if I annoyed you but a last question if we use arrow for only some players of particular zone like MR and ML so then teams condition will change right like that those ml and Mr will support attacker but will leave supporting defenders most of time right (if right) then this property can be used for different teams in different ways without change in formation like a manager's Left flanks have less player or old players I will pit arrows to my Right midfielders and defender (his left will be mine right) then they will support attacking form my right flank where is opponent's old players/or Less player and Without changing formation I can defeat opponent right or wrong.. So is this use of arrows