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Hello. I'll try my best to explain. Please bear with me. xD

I just want to know if it's possible (and if it is, I want to know how) to remove a text from a certain picture and then replace it with another without making it look like it's *photoshopped*. For example, a blackboard with equations written all over it, but instead of leaving it just like that, I want to remove the stuffs scribbled there and just leave myself with an empty blackboard to write a text. And, do I need to DL / use a certain kind of font? What if the picture I have is low-quality, would it still work somehow? How do I make the text *real*?

Another example would be my own picture. I took a picture of myself holding a paper with my friend's name written, but I misspelled his name by a letter. I can just simply take another picture, but I want to use my picture as a dummy test for this. In addition, I've been trolled by my friends enough regarding this whole edit of the text thing and I tried asking them for help, I just got trolled more. >.>

If there's a thread for this or if I've violated any rules, kindly inform me and I'm sorry in advance. Thank you! c: