Germany - A Nice Math Olympiad Algebra Equation

This is an interesting question with amazing concepts!

math olympiad algebra problem, math olympiad algebra, thailand junior maths olympiad problem, algebra math olympiad, math olympiad, olympiad, math olympiad problems, math olympiad problem, algebra, olympiad mathematics, olympiad math problems, germany math olympiad, math olympiad preparation, a nice algebra problem, nice algebra problem, math olympiad questions, viral math olympiad problem | how to solve, germany, math olympiad question, algebra problem solving