Question:
Solve -5637*f = -4006*f + 7261*f - 40042 - 431234 for f..

Answer:
53

Question:
Solve 1428*n = 563383 - 541963 for n..

Answer:
15

Question:
Solve 3*v - 161 = -20*v for v..

Answer:
7

Question:
Solve 0 = -209*o + 464*o - 205*o + 1700 for o..

Answer:
-34