Question:
Solve -a = 996 - 1001 for a..

Answer:
5

Question:
Solve -3 - 2 = 83*h - 5 for h..

Answer:
0

Question:
Solve -2492*o - 60 = -1243*o - 1261*o for o..

Answer:
5

Question:
Solve -13*f - 57*f = -12*f + 58 for f..

Answer:
-1