Question

please solve this simplify
it is an integer​

Answer 1

Answer:

18-12-(-9)+(-6)

6+9-6(Minus minus is plus and plus minus is minus)

=9

Answer 2

Answer:

18-12-(-9)+(-6)

18-12+9+(-16)

15+(-16)

15+16

31

I hope this will be helpful