Solve the equation, and check the solution. If applicable, tell whether the equation is an identity or a contradiction. 7x + 9 = 2

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A. The solution set is {.

(Type an integer or a simplified fraction.)

B. The solution set is {all real numbers), so the equation is an identity.

C. The solution set is Ø, so the equation is a contradiction.