Respuesta :

Answer:

You count something

Step-by-step explanation:

If you imagine 9 slots that are empty and you fill 3 of them then there is 6 empty slots so -6

Answer:

Step-by-step explanation:

how you do this because -9 is add to 3 since the order of number goes from the 0 backwards so it could be 9-3=6 then you can just add the - sign in front of the 6