Question:
Solve 165*s + 2657 + 1797 = -3466 for s..

Answer:
-48

Question:
Solve -488*d = -478*d + 25 + 25 for d..

Answer:
-5

Question:
Solve -549*n - 3455 = 5329 for n..

Answer:
-16

Question:
Solve -467*r - 515112 = -1992*r - 11814*r + 245211 for r..

Answer:
57