Question

If a+ (-b)= 7 and a=9 what is b?

Answer 1

if a=9 it would be

9+ (-b) = 7

(-b)= 9-7

(-b)= 2

Answer 2

The answer is -2 because u can do 9-7and is 2 left so u but the the 2 there and it is know as -2 bc the negative Stay the same