Question:
Solve 0 = -5*s + 1 + 24 for s..

Answer:
5

Question:
Solve -107813*u + 107894*u = -1944 for u..

Answer:
-24

Question:
Solve 12*k - 108 - 633 = -45*k for k..

Answer:
13

Question:
Solve -12500*h = 3001*h + 1072160 + 43912 for h..

Answer:
-72