Question:
Solve -2*b + 9 = -7 for b..

Answer:
8

Question:
Solve -483*p - 128645 = -2093*p - 729*p for p..

Answer:
55

Question:
Solve -3*c = 4*c - 2*c + 25 for c..

Answer:
-5

Question:
Solve -18106 = -944*u - 104 + 26366 for u..

Answer:
47