When solving x2 - 4y = 12 by the substitution method, we obtain x = - 4 or x = 0, so the solution set is x+y = -3 . . . . . Fill in the blank. When solving x2 - 4y = 12 by the substitution method, we obtain x = - 4 or x = 0, so the solution set is X+y = -3 (Type an ordered pair. Use a comma to separate answers as needed. Simplify your answer.)Poi Solve the following system by the substitution method. X+ y =1 y = x- - 11 . . ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is (Type an ordered pair. Use a comma to separate answers as needed. Simplify your answer.) O B. There is no solution.Solve the system of equations by the substitution method. Next ques y = X - 8x - 5 y = - x- - 2x - 9 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is (Type an ordered pair. Use a comma to separate answers if needed.) B. There is no solution.Points: Solve the system by the substitution method. Next question x2 + y2 =74 X - y=2 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is (Type an ordered pair. Use a comma to separate answers as needed.) O B. There is no solution.O P Solve the following system by the substitution method Next question v2 =x2 - 9 - 2y = x - 3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is (Type an ordered pair. Use a comma to separate answers as needed. Simplify your answer.) O B. There is no solutionSolve the following system by the substitution method, X+y =1 x- + xy- y