Question:
Solve -39*f + 193 = 115 for f..

Answer:
2

Question:
Solve 6087*g + 6003*g = 11961*g - 5805 for g..

Answer:
-45

Question:
Solve 938402 - 935783 = 27*q for q..

Answer:
97

Question:
Solve -295 = 38*y - 29 for y..

Answer:
-7