Question:
Solve 9351*b + 150727 + 47025 - 54196 = 2515*b for b..

Answer:
-21

Question:
Solve 0 = 9*q - 17*q - 16 for q..

Answer:
-2

Question:
Solve 30 + 90 = -30*a for a..

Answer:
-4

Question:
Solve 1249*q - 40473 = 3242 for q..

Answer:
35