=IF(B20="r","-2",IF(B20="5","-1",IF(B20="=","1","")))

The "5" displays blank, all the others work... any reason why?

I am trying to be get so if in B20 someone enter's r "-2" diplays; 5 "-1"
diplays; = "-2" diplays; and if they enter nothing then nothing displays.

thank you!