Question:
Solve -4*b + 4 = -5*b for b..

Answer:
-4

Question:
Solve -12274 = -308*c - 414*c for c..

Answer:
17

Question:
Solve 10699*v + 25261 = -1063*v - 42774 + 456181 for v..

Answer:
33

Question:
Solve 9*l + 14 = 41 for l..

Answer:
3