Answer:
20
Explanation:
12 X (3+2) / 2 - 10
BIDMAS needs to be used here!
(Brackets, Indices, Division, Multiplication, Addition, Subtraction)
To show us what order to do the question.
12 x (5) / 2 - 10
60 / 2 - 10
30 - 10
20
Hope this helps, have a good day. :D