Answer :
Step-by-step explanation:
The equation x = 7 has only one solution, which is x = 7.
Therefore, none of the options given in the question (OA, OB, OC, OD) are correct
Step-by-step explanation:
The equation x = 7 has only one solution, which is x = 7.
Therefore, none of the options given in the question (OA, OB, OC, OD) are correct