Solve -237*q + 102*q - 22230 = 606*q for q.
Solve this plz.

A: -30

Solve -755 = -206*o + 176*o + 355 for o.
Solve this plz.

A: 37

Solve 0 = -2*q - 21 + 19 for q.
Solve this plz.

A:
-1