Answer:
the last one
Step-by-step explanation:
I cannot suggest anything other than the set of real numbers here, but maybe someone else can provide a better answer. As long as you increase or decrease x (which is a real number) then you will get a real number, or the infinite set of real numbers.
If you subtract 6 from 33 youll end up with 27 and therefore 27 plus 6 equals 33