What is 22+-9-9+7=

2 answers

29
The two adjacent math signs are confusing. It can be clarified by adding parentheses.

22+(-9-9+7) = 22+(-11) = 11

Or do you mean:

22±9-9+7 which would give you 11 for the negative term and 29 for the positive aspect.

I hope this helps. Thanks for asking.