Question:
Solve 460 - 453 = -7*g for g..

Answer:
-1

Question:
Solve 171 = -308*m + 71 - 34 - 482 for m..

Answer:
-2

Question:
Solve 21284 = -1221*s - 31*s for s..

Answer:
-17

Question:
Solve -7008 = -176*r + 1919*r - 36 for r..

Answer:
-4