SOLUTION: Need find the missing number 42-9=43-[]

Algebra ->  Average -> SOLUTION: Need find the missing number 42-9=43-[]      Log On


   

Question 819581: Need find the missing number 42-9=43-[]
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
42-9=43-10
33=33