Solve 0 = 5*d - 7*d - 6 for d.
Solve this plz.

A: -3

Solve -22*q - 7370 = 248*q - 425*q + 3635 for q.
Solve this plz.

A: 71

Solve 641*r + 2518 + 15412 + 4070 = 1041*r for r.
Solve this plz.

A:
55