Respuesta :

Answer:

23m-11n

Step-by-step explanation:

=7m+14m-6n-5n+2m

=7m+14m+2m-6n-5n

=23m -11n

Answer:

7m +14m-2m-6n+5n.

19m-1

Step-by-step explanation:

we can take m in side and n term we can make separate

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