Answer:
15.
Explanation:
First using the order of operations, distribute them to their assigned categories. (Multiplication) Multiply all the numbers together on on group, and after adding all the other numbers from the addition group add both the sums.
(-3 x 2) = C A x (-7 x -3) = B B - 10 = A A = 15.
(I apologize if my information is incorrect.)