Question Number 1483 by Rasheed Ahmad last updated on 13/Aug/15

Prove that: a+(b+c)+d=(a+c)+(d+b)

Commented byprakash jain last updated on 13/Aug/15

Basic properties of + operator. Or is it something else?

Commented byRasheed Ahmad last updated on 14/Aug/15

Of course basic properties.

Answered by Rasheed Soomro last updated on 16/Aug/15

LHS: a+(b+c)+d =a+(c+b)+d [ Commutative w. r. t +] ={a+(c+b)}+d ={(a+c)+b}+d [Associative wrt + ] =(a+c)+{b+d} [ ∽ ] =(a+c)+(d+b) [ Commutative wrt +] =RHS

Commented by123456 last updated on 16/Aug/15

good :)