Solve -6*f - 213*f - 65*f + 6392 = 92*f for f.
Solve this plz.

A: 17

Solve -8564 = 881*i - 635 for i.
Solve this plz.

A: -9

Solve -109166*u + 109153*u = -325 for u.
Solve this plz.

A:
25