Question:
Solve -183*x - 30 = -198*x for x..

Answer:
2

Question:
Solve 1778 = -770*s - 15932 for s..

Answer:
-23

Question:
Solve 8 = 10*v - 8*v for v..

Answer:
4

Question:
Solve 13*g + 1397 - 1215 = 0 for g..

Answer:
-14