Question:
Solve -22*x - 11*x = -65*x - 480 for x..

Answer:
-15

Question:
Solve 870*h + 6750 = 195*h for h..

Answer:
-10

Question:
Solve 102717 - 467145 = -3438*y for y..

Answer:
106

Question:
Solve -143 = 32*h - 15 for h..

Answer:
-4