Question:
Solve 658*v = 1210 - 1868 for v..

Answer:
-1

Question:
Solve 241 = 9*g + 295 for g..

Answer:
-6

Question:
Solve -1154*p - 94 = 6423 + 6177 for p..

Answer:
-11

Question:
Solve 815 + 2185 = 750*r for r..

Answer:
4