Solve 0 = -128*k + 308 - 52 for k.
Solve this plz.

A: 2

Solve 99*k - 389*k - 1715 = -11285 for k.
Solve this plz.

A: 33

Solve 26*c = 20*c + 30 for c.
Solve this plz.

A:
5