Question:
Solve -661*n + 669*n = -56 for n..

Answer:
-7

Question:
Solve s - 23*s - 379 = -71 for s..

Answer:
-14

Question:
Solve -449*d - 12767 - 16294 - 3123 + 3448 = 0 for d..

Answer:
-64

Question:
Solve 0 = -1056*g + 848*g + 117 + 91 for g..

Answer:
1