lindseyhajdukovich lindseyhajdukovich

01-02-2017
Mathematics

contestada

Simplify 2m - [n - (m - 2n)].

Respuesta :

christinaperez christinaperez

01-02-2017

Let's simplify step-by-step.

2m−(n−(m−2n))

Distribute the Negative Sign:

=2m+−1(n−(m−2n))

=2m+−1n+−1(−m)+−1(2n)

=2m+−n+m+−2n

Combine Like Terms:

=2m+−n+m+−2n

=(2m+m)+(−n+−2n)

=3m+−3n

Answer:

=3m−3n

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