Question:
Solve -3*d + 76 = -22*d for d..

Answer:
-4

Question:
Solve 0 = -4*m - 12*m - 12*m + 280 for m..

Answer:
10

Question:
Solve -2938 + 1204 = 102*m for m..

Answer:
-17

Question:
Solve -123*b + 13045 = 15997 for b..

Answer:
-24