Answer:
12
Step-by-step explanation:
1. Solve (2+5-3)
2+5-3=7-3=4
2. Solve (3+2-(4)-10-2+4)
Negative times (4) is -4
3+2-4-10-2+4=
5-4-10-2+4=
1-10-2+4=
-9-2+4=
-11+4=
-7
3. 5-(-7)
Negative times -7 is 7
5+7= 12
So the answer is 12