It isn't because, it isn't consistent, and it doesn't follow any of the other answer choices. :)
Do you mean an extraneous solution? I will tell you what I think. To tell if a solution is extraneous you need to go back to the original problem and check if there actually is a solution or if the solution is actually right. If not then it is extraneous.
Answer:
x= -4
Step-by-step explanation:
Answer:
i know number 5 input add 1 output take away 1
Step-by-step explanation: