Question:
Solve 211*v - 51*v + 55*v = 2*v - 8094 for v..

Answer:
-38

Question:
Solve 0 = -12*u + 15 + 21 for u..

Answer:
3

Question:
Solve 1799*q - 1503*q + 1729*q + 117450 = 0 for q..

Answer:
-58

Question:
Solve 181*o - 48 = 157*o for o..

Answer:
2