Solve -631*m - 15765 = 20815 - 10113 - 596 for m.
Solve this plz.

A: -41

Solve -463*m = -457*m - 48 for m.
Solve this plz.

A: 8

Solve -37985*c + 19013*c + 2850 = -19029*c for c.
Solve this plz.

A:
-50