Question:
Solve 108 = -422*b - 1158 for b..

Answer:
-3

Question:
Solve -7*w - 93 = 24*w for w..

Answer:
-3

Question:
Solve 88*i + 144 = -6*i + 614 for i..

Answer:
5

Question:
Solve 0 = -4*u + 16 + 4 for u..

Answer:
5