Question:
Solve 0 = -3085*x + 1704*x + 84241 for x..

Answer:
61

Question:
Solve -212*u - 12*u - 16*u = 1200 for u..

Answer:
-5

Question:
Solve -621*o + 102378 = 285*o for o..

Answer:
113

Question:
Solve 1530 = 701606*h - 701651*h for h..

Answer:
-34