What is (m+n-p)+(-m-n+p) ?

The solution to (m+n-p)+(-m-n+p) is 0

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simplify (m+n-p)+(-m-n+p)

simplify

(m + n - p) + (- m - n + p)

0

Solution steps

(m + n - p) + (- m - n + p)

Simplify

(m + n - p) + (- m - n + p) : m + n - p - m - n + p

= m + n - p - m - n + p

Group like terms

= - p + p + m - m + n - n

Add similar elements:

- p + p = 0

= m - m + n - n

Add similar elements:

m - m = 0

= n - n

Add similar elements:

n - n = 0

= 0

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