As we all know

 

2 = 2

 

22 = 4

 

22 – 22 = 4 - 22

 

(2+2)(2-2) = 2(2 – 2)

 

(2+2) = 2(2 – 2) / (2 – 2)

 

4 = 2

 

Find the fallacy.