Question

given that a= - 10 ,b is = 7 ,c = -3 verify that addition is commutative and associative also show that subtraction is neither, communicative nor associative​

Answer 1

Commutative property for addition :

a+b+c=b+a+c

-10+7+(-3) =7-10-3

-3-3=-3-3

-6=-6

Answer 2

Answer

A+b+c=a+b+c

-3-3=-3-3

-6=-6