Add: 5m-7n, 3n-4m+z, 2m-3mn-5 do it fast please
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Answer:
3m-5n-3mn+z-5
Step-by-step explanation:
rearranging like terms
(5m-4m+2m)+ (-7n+3n)+ (-3mn)+(z)+(-5)
=3m-5n-3mn+z-5
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