Question:
Solve 0 = 294*u - 18084 + 5442 for u..

Answer:
43

Question:
Solve 57*q + 188*q - 12245 = -150*q for q..

Answer:
31

Question:
Solve 0 = 3*u - 8*u + 4*u for u..

Answer:
0

Question:
Solve 34*x + 287 = 117 for x..

Answer:
-5