Question:
Solve -47*g = 15*g + 434 for g..

Answer:
-7

Question:
Solve 485*b - 46 - 136 = 492*b for b..

Answer:
-26

Question:
Solve -18251*a - 24711*a + 4976 = -11515*a + 67870 for a..

Answer:
-2

Question:
Solve 4012*a = 4032*a + 20 for a..

Answer:
-1