The equation shown has a missing value. Answer parts a through c. - 2(2x- ) + 1 = 17 - 4x a. For what missing value is the equation an identity? b. For what missing value(s), if any, does the equation have exactly one solution? c. For what missing value(s), if any, does the equation have no solution? a. The equation is an identity when the missing value is 8. b. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The equation has exactly one solution when the missing value is anything except (Use a comma to separate answers as needed.) B. The equation has exactly one solution when the missing value is (Use a comma to separate answers as needed.) C. The equation never has exactly one solution regardless of the missing value. c. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The equation has no solution when the missing value is anything except (Use a comma to separate answers as needed.) B. The equation has no solution when the missing value is . (Use a comma to separate answers as needed.) C. The equation always has at least one solution, regardless of the missing value.​