Question

9 ÷ 3[(20 − 7) − 22]

Answer 1

-27

Explanation:

Any operations inside parentheses must be carried out first.

Thus,

9 ÷ 3[(20 − 7) − 22] becomes 9 ÷ 3[(13) − 22]

This, in turn, becomes 9 ÷ 3[-9].

The negative operator can be taken out and written up front: -9 ÷ 3[9) Note: this does not call for subtraction).

Carrying out the indicated operations from left to right:

-3(9) = -27