Question:
Solve 0 = 4*b - 14*b - 70 for b..

Answer:
-7

Question:
Solve 1238*q + 2816*q + 146657 = -133069 for q..

Answer:
-69

Question:
Solve 45*x = -43 - 272 for x..

Answer:
-7

Question:
Solve -171 - 5 = 44*m for m..

Answer:
-4