Question:
Solve -89*u = -122*u - 99 for u..

Answer:
-3

Question:
Solve 2141*m - 126072 = -1567*m for m..

Answer:
34

Question:
Solve 163*h - 54 + 217 = 0 for h..

Answer:
-1

Question:
Solve -2423 = -57*x - 884 for x..

Answer:
27