Question

addition and subtraction=m-n and m+n​

Answer 1

Answer:

is it a question ..........?

Answer 2

Step-by-step explanation:

Hey friend

I didn't understand your question properly but I think you want me to add and subtract the two given ones ..

So I'm doing that ....

Given terms = m-n and m+n

Adding the terms :-

m-n+m+n = 2m

Subtracting the terms :-

m-n-(m+n)

= m-n-m-n

= -2n

HOPE IT HELPS !!