Question:
Solve 0 = -34*b - 15*b + 147 for b..

Answer:
3

Question:
Solve 4067 = -56*u - 154*u - 343 for u..

Answer:
-21

Question:
Solve 129 + 184 = 4*m + 121 for m..

Answer:
48

Question:
Solve -5222*m - 670537 = -179669 for m..

Answer:
-94