Responses
![](https://pic1.mangapicgallery.com/r/avatar/dd/u343242_50x50.jpg?2)
Yeah, i think it was just a translation mistake on the chalk board, because she specifically called it linear equation in her thought bubble, and her work process was definitely linear equation. But the wrong translation made it look like the initial question was just a basic addition/subtraction word problem.
Where did that 2 come from???