Question:
Solve 69*m + 131*m = -682*m - 37926 for m..

Answer:
-43

Question:
Solve 3366 = 20084*b - 19710*b for b..

Answer:
9

Question:
Solve 179*x + 30*x = 1672 for x..

Answer:
8

Question:
Solve 0 = 4*m - 263 + 247 for m..

Answer:
4