Solve 0 = -246*m + 979 + 3941 for m.
Solve this plz.

A: 20

Solve -1335*i = -674*i - 618*i - 172 for i.
Solve this plz.

A: 4

Solve -5241*c = -7076*c - 34865 for c.
Solve this plz.

A:
-19