Simplify the following expression:

- ( - 8m - 4n + 7)

A. 8m + 4n - 7

B. 8m + 4n + 7

C. 8m - 4n - 7

D. - 8m - 4n - 7

-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