Solve -472*r - 44807 = 193*r + 216*r + 3648 for r.
Solve this plz.

A: -55

Solve 0 = 351*c - 106*c - 151*c - 2726 for c.
Solve this plz.

A: 29

Solve -244 + 245 = -r for r.
Solve this plz.

A:
-1