Respuesta :
Answer: To keep track of where you are in an equation, and to allow you to retrace your steps if you happen to do something wrong.
Answer:
Step-by-step explanation:
honestly once you get the hang of it you dont need to but its good to record each steps because if you get the question wrong you and your teacher can easily find what you did wrong by looking at your steps.
pls mark me brainliest