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07-06-2018
Mathematics

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2m - 9n - 6m + 3n - n

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07-06-2018

= 2m - 9n - 6m + 3n - n
combine like terms (m with m terms and n with n terms)

= (2m - 6m) + (-9n + 3n - n)
add/subtract in parentheses

= -4m - 7n

ANSWER: -4m - 7n is the simplified expression

Hope this helps! :)

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