Question:
Solve -10*h + 6 = -4*h for h..

Answer:
1

Question:
Solve 9704*d - 9566*d = 690 for d..

Answer:
5

Question:
Solve 12*a - a = 4*a - 14 for a..

Answer:
-2

Question:
Solve -4580*i = 712*i - 481*i + 24055 for i..

Answer:
-5