Respuesta :

You just find out what the missing variable is by subtracting 88 from 107 on the first one. You do the same for the last too as-well, but just insert the numbers that they say.

Happy Friday!!

Answer:

1. 107 + (-88) =

Answer: 19

2. 5 x (-9) = -45

Answer: -9

3. (I don`t know hot write it but...)

Answer: (-108)

Not 100% sure on that last one though.

Hope this helps