Question:
Solve -131*n = -653 - 3439 - 1279 for n..

Answer:
41

Question:
Solve 8 = -22*s + 96 for s..

Answer:
4

Question:
Solve 384255*w - 384478*w - 25092 = -3907 for w..

Answer:
-95

Question:
Solve -9 = 6*r + 9 for r..

Answer:
-3