Question:
Solve -12 = -27*o + 23*o for o..

Answer:
3

Question:
Solve -4 - 48 = -26*v for v..

Answer:
2

Question:
Solve 5*q - 622 = -602 for q..

Answer:
4

Question:
Solve 59*f - 30*f + 77*f + 1985 = -29 for f..

Answer:
-19