You'll be enrolled at LMU Munich â Germany's #1 ranked university, take language courses at JYM, and design your own program of study.
Undefined is defined. Define means to set the limits, explain. So, undefine means not to set limits or not to explain.
There is only no solution when you come up with an answer that is undefined (i.e. a number divided by zero, the square root of a negative number, etc.). There is a solution when you end up with any actual value (in your case 0). Your answer is x=0.