HELP ME PLEASE i beg u

Answer:
3. -2
4. 15
5. 0
6. 1
7. 0
Hope this helps!!! If so please give brainliest
Answer:
3)-5+3= -2
4)9-(-6)= 15
5)6-6=0
6)1/2+1/2= 2/2(1)
7)-4+4=0