Answer:
-5
Explanation:
Following the order of PEMDAS, you will multiply what is in the parentheses, then subtract what is in the parentheses, then finally subtract the whole thing.
(6×3 - 7×2) - (-7×4 + 7×3 + 8×2)
(18 - 14) - (-28 + 21 + 16)
(4) - (9)
-5