Solve -40578*y + 40802*y + 4704 = 0 for y.
Solve this plz.

A: -21

Solve 0 = 6578*m + 68848 + 128737 + 223407 for m.
Solve this plz.

A: -64

Solve -203*n + 913 + 3459 = -703 for n.
Solve this plz.

A:
25