Solve -111*s + 62371 = -585*s - 33*s + 17248 for s.
Solve this plz.

A: -89

Solve 303*a - 3989 = -967 + 1523 for a.
Solve this plz.

A: 15

Solve -21*q = -64 - 20 for q.
Solve this plz.

A:
4