Question:
Solve 129*q = 67*q + 558 for q..

Answer:
9

Question:
Solve -3347*g + 2642*g = -28905 for g..

Answer:
41

Question:
Solve -2821*r - 2292*r - 217*r = -751530 for r..

Answer:
141

Question:
Solve 258*q = 260*q + 10 for q..

Answer:
-5