Solve 551*q + 259*q - 5839 = 16031 for q.
Solve this plz.

A: 27

Solve -54*n - 235 = 123*n - 2182 for n.
Solve this plz.

A: 11

Solve -414 = -74*f + 30 for f.
Solve this plz.

A:
6