Question:
Solve 0 = -898*u - 132*u - 11330 for u..

Answer:
-11

Question:
Solve 11*c - 2026 = -1960 for c..

Answer:
6

Question:
Solve 9*s - 8*s + 4 = 0 for s..

Answer:
-4

Question:
Solve -373*d + 209*d = -203*d + 1287 for d..

Answer:
33