Question:
Solve 29*w - 2*w = 81 for w..

Answer:
3

Question:
Solve -125*b + 89 = 214 for b..

Answer:
-1

Question:
Solve -27*g - 1650 = -302*g for g..

Answer:
6

Question:
Solve -15*f - 6*f - 78 = 27 for f..

Answer:
-5