Question

balance the equation out by filling in the blank for the missing number

89 - 45 = 90 - ____

with an examle

Answer 1

89 - 45 = 90 - 44 I would think?

Answer 2

89 - 45 = 90 - ___
44 = 90 - ___
44 = 90 - 46
44 = 44 

the answer is 44