Question

given that a= (10) . b= 7 and c= (-3) verify that addituon is commutatice as associatve. also show that subatraction 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