Answer:
3
Explanation:
As you see in the equation, there is a simple rule to apply in any equation make you confuse with - or + symbol. When 2 minus symbol ( - ) stand together, it would become positive or plus symbol (+), so in this situation:
5 - [ - ( - 2)]
= 5 - (+ 2)
= 5 - 2
= 3
Hope this help you :3