Question:
Solve 627*s - 960 = 376 + 3680 for s..

Answer:
8

Question:
Solve 537*v = 552*v - 75 for v..

Answer:
5

Question:
Solve 187296 + 34679 = -3415*v for v..

Answer:
-65

Question:
Solve -7*u - 23 = -4*u - 4*u for u..

Answer:
23