Decide What Values of the Variable Cannot Possibly Be Solutions $$\sqrt { x + 7 } + 5 = x$$

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$\sqrt { x + 7 } + 5 = x$$

A) {2, 9}
B) {2}
C) {9}
D) {9, 18}