Question

I need help with the following if possible

Answer 1

1. -1
2. 1
3. 5
4. -1
5.-1
6. -3

Answer 2

Answer:

1. 2+(-3)= 2-3= -1
2. -3+4=1
3. -4+9=5
4. 7+(-8)= 7-8= -1
5. -2+1= 1
6. 6+ -9= -3