Question:
Solve 4017301*h + 3136 = 4017252*h for h..

Answer:
-64

Question:
Solve -10073 - 13459 = 636*a for a..

Answer:
-37

Question:
Solve 0 = -38961*r + 38541*r + 6720 for r..

Answer:
16

Question:
Solve -8*d - 44 + 4 = 0 for d..

Answer:
-5