Question:
Solve 0 = -11*b - 457 + 446 for b..

Answer:
-1

Question:
Solve -138*a = 14*a - 2324 + 4452 for a..

Answer:
-14

Question:
Solve -52*d - 142*d + 937 = -809 for d..

Answer:
9

Question:
Solve -7530*i = -6879*i - 48174 for i..

Answer:
74