Respuesta :

Muskaan

[tex]3m - 5n + 6m - 8n \\ 3m + 6m - 5n - 8n \\ 9 m- 13n[/tex]

devishri1977

Answer:

Step-by-step explanation:

Combine like terms. Like terms have same variables with same exponents

3m - 5n + 6m - 8n = 3m + 6m - 5n - 8n

                               = 9m - 13n

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