Question:
Solve -14480*c + 1424 = -14391*c for c..

Answer:
16

Question:
Solve 5*l = -4*l + 27 for l..

Answer:
3

Question:
Solve -39*s + 687 - 1038 = 0 for s..

Answer:
-9

Question:
Solve 265*u - 456*u = 106*u - 5643 for u..

Answer:
19