Question:
Solve 929*h - 109*h = 20 - 840 for h..

Answer:
-1

Question:
Solve -4*m - 120 = -132 for m..

Answer:
3

Question:
Solve 54 - 50 = o for o..

Answer:
4

Question:
Solve -28*g = -5*g + 161 for g..

Answer:
-7