Question:
Solve -2807*o = 51263 + 105929 for o..

Answer:
-56

Question:
Solve 13260*c = 13298*c + 37 + 39 for c..

Answer:
-2

Question:
Solve 189721 = 844*y + 128953 for y..

Answer:
72

Question:
Solve 11*v - 59 + 15 = 0 for v..

Answer:
4