Respuesta :

zrh2sfo

Answer:

-7 + 8 m + 4 n thus A. is your Answer

Step-by-step explanation:

Expand the following:

-(-8 m - 4 n + 7)

-(7 - 8 m - 4 n) = -7 - -8 m - -4 n:

-7 - -8 m - -4 n

-(-8) = 8:

-7 + 8 m - -4 n

-(-4) = 4:

Answer:  -7 + 8 m + 4 n