Answer:
3
Step-by-step explanation:
I hope this helps!
3(-1)(10-5-2(3))
Solve 3(-1), equals: -3
-3(10-5-2(3))
Solve -2(3), equals: -6
-3(10-5-6)
10 - 5 = 5
-3(5-6)
5 - 6 = -1
-3(-1) = 3