Question:
Solve 0 = -2*x + 426 - 440 for x..

Answer:
-7

Question:
Solve 0*s = -9*s - 36 for s..

Answer:
-4

Question:
Solve -14014*m = -1479943 + 456921 for m..

Answer:
73

Question:
Solve -19*x + 627 = 66*x + 2497 for x..

Answer:
-22