Question:
Solve 2*c = 36 - 40 for c..

Answer:
-2

Question:
Solve 44*q + 372 = -3*q - 568 for q..

Answer:
-20

Question:
Solve 7*s = 77*s - 560 for s..

Answer:
8

Question:
Solve -64*a + 571*a - 111*a - 20196 = 0 for a..

Answer:
51