Question:
Solve 0 = 490*c - 1387*c + 24219 for c..

Answer:
27

Question:
Solve -554*c + 1922 = -55939 - 17483 for c..

Answer:
136

Question:
Solve -19*m = -65*m - 92 for m..

Answer:
-2

Question:
Solve 26*z - 39*z + 39 + 117 = 0 for z..

Answer:
12