Respuesta :

gmany

[tex]Q=7m+3n\\R=11-2m\\S=n+5\\T=-m-3n+8\\\\R-S+T=(11-2m)-(n+5)+(-m-3n+8)\\\\=11-2m-n-5-m-3n+8\\\\=(-2m-m)+(-n-3n)+(11-5+8)\\\\=\boxed{-3m-4n+14}[/tex]

Joxter900

Answer:

This is the answer

Step-by-step explanation:

-m + 2n - 2

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