Question:
Solve 187 = 46*d + 509 for d..

Answer:
-7

Question:
Solve 0 = 2262*h - 608*h + 6285*h - 166719 for h..

Answer:
21

Question:
Solve 92*t - 189*t - 388 = 0 for t..

Answer:
-4

Question:
Solve 399*w + 89526 = 80349 for w..

Answer:
-23