Question:
Solve 83*q + 831 = 664 + 2657 for q..

Answer:
30

Question:
Solve 17*s + 1902 = 1851 for s..

Answer:
-3

Question:
Solve -206*v + 5474 = -528*v for v..

Answer:
-17

Question:
Solve 0 = 1112*b + 47*b + 20862 for b..

Answer:
-18