Respuesta :

Answer:

Blank is 5

Step-by-step explanation:

Hey there!

Well to find blank or “x” we‘ll make the following,

-4 = x - 9

Seperate x

+9 to both sides

x = 5

Hope this helps :)

Answer:

5

Step-by-step explanation:

Let be blank be a

-4=a-9

-4+9=a

9-4=a

a=5

Proof:

-4=a-9

-4=5-9

-4=-4

Hope this helps ;) ❤❤❤