1. ## Distributes 71.11

Define the operation on Z by x * y = x. Prove that * distributes over + from the right not the left.

2. Originally Posted by tigergirl
Define the operation on Z by x * y = x. Prove that * distributes over + from the right not the left.
You have posted several questions with showing any work whatsoever.
Why is that? Do you just expect that someone else will do them for you?

3. No I was hoping somone would tell me what to look for to start answering these question. Not looking for answers just a direction.

4. Originally Posted by tigergirl
No I was hoping somone would tell me what to look for to start answering these question. Not looking for answers just a direction.
Well compare $a*(b+c)$ with $a*b+a*c$.
Then compare $(b+c)*a$ with $b*a+c*a$.