Solve -324*i + 1207*i - 308*i - 7857 = 39293 for i.
Solve this plz.

A: 82

Solve -633 = -33*u - 237 for u.
Solve this plz.

A: 12

Solve 1534*c + 85668 = 82*c for c.
Solve this plz.

A:
-59