Respuesta :

Answer:

990

Step-by-step explanation:

You just said 1000 - 10

Answer: B. 990

Step-by-step explanation: If x is = to 1000, then the equation is 1000 - y = ?

If y = 10, then the equation is now 1000 - 10 = ?. This is just simple subtraction so 1000-10 = 990.