Question:
Solve -141*x - 501 = 204 for x..

Answer:
-5

Question:
Solve -559*c - 12483 = -1946*c for c..

Answer:
9

Question:
Solve 1377*n = 1487*n - 4950 for n..

Answer:
45

Question:
Solve 972 = 205*l - 6065 - 10904 - 3789 for l..

Answer:
106