Question

Give that a=(-10),b=7and c=(-3),verifiy that addition is commutative and associative .Also show that subtraction is neither commutative 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