Question:
Solve -22*r - 129 = 265 - 42 for r..

Answer:
-16

Question:
Solve 8*b = 14*b + 6 for b..

Answer:
-1

Question:
Solve 8354*f - 431636 - 298613 = -64320 + 19099 for f..

Answer:
82

Question:
Solve -43283*h - 917 = -43224*h + 1561 for h..

Answer:
-42