Solve -290 - 31 = -48*q + 3807 for q.
Solve this plz.

A: 86

Solve 42 - 11 = 31*o for o.
Solve this plz.

A: 1

Solve 0 = 140*d + 6327 - 9267 for d.
Solve this plz.

A:
21