Question:
Solve 4217*o - 4231*o = 14 for o..

Answer:
-1

Question:
Solve 0 = 215*b - 223*b for b..

Answer:
0

Question:
Solve 1326*t - 1370*t - 176 = 0 for t..

Answer:
-4

Question:
Solve 166*n - 86*n + 389*n + 5628 = 0 for n..

Answer:
-12