Question:
Solve 0 = -222*n - 1440 + 5880 for n..

Answer:
20

Question:
Solve 5478*a - 3335*a + 10715 = 0 for a..

Answer:
-5

Question:
Solve -79*q - 21 + 15 = -164 for q..

Answer:
2

Question:
Solve 739*a - 729*a - 280 = 0 for a..

Answer:
28