Question

Simplify m - {n - [p + (m + n - p)]}.

Answer 1

Do you know what to start with?

Answer 2

Start opening parenthesis from inside, simplify at each step.

Answer 3

What grade are u

Answer 4

As mhanifa said:
\(m-(n-(p+m+n-p))\\m-(n-(p-p+m+n))\\m-(n-(m+n))\\m-(n-m-n)\\m-(n-n-m)\\m-n+n+m\\m+m-n+n\\m+m\\2m\)