Question:
Solve 399*i + 80*i = 14849 for i..

Answer:
31

Question:
Solve 8*n - 56*n = 192 for n..

Answer:
-4

Question:
Solve 84 = 6*m + 132 for m..

Answer:
-8

Question:
Solve 0 = 312*k + 301 - 13808 - 8957 for k..

Answer:
72