Solve -1507 + 58 = -69*q for q.
Solve this plz.

A: 21

Solve 11535*c - 8580 = 11755*c for c.
Solve this plz.

A: -39

Solve 0 = -1128*y + 11278*y + 1004850 for y.
Solve this plz.

A:
-99