answer: all of the odd numbers were opened
the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.
answer: your gay
you dont know math
this linear equation would have just one solution.
the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.