Which equation is equivalent to ?

11x-(2-x)=51
A. 13x=51

B. 12x=53

C. 12x=49

D. 10x=53

11x-(2-x)=51

11x - 2 + x = 51

12x - 2 = 51

Adding 2 to both sides:

12x = 53

Therefore, the equation is equivalent to 12x = 53.

The correct answer is D. 10x = 53.