Solve 50*r - 169*r = 3808 for r.
Solve this plz.

A: -32

Solve -2268*o + 2567 + 5483 = -1918*o for o.
Solve this plz.

A: 23

Solve 288*c - 11552 = -321*c - 2953 + 7844 for c.
Solve this plz.

A:
27