Question:
Solve 13005 = 1504554*a - 1504809*a for a..

Answer:
-51

Question:
Solve 38209 - 39089 = -40*o for o..

Answer:
22

Question:
Solve -36 = -12*m + 24 for m..

Answer:
5

Question:
Solve -3*d - 12*d = 75 for d..

Answer:
-5