Given the equation 5 + x - 14 = x - 7. part a. solve the equation 5 + x - 14 = x - 7. in your final answer, be sure to state the solution and include all of your work. part b. use the values x = -2, 0, 3 to prove your solution to the equation 5 + x - 14 = x - 7 . in your final answer, include all of your calculations.