Question: What is the solution?

Solve n + 5 = 1 for n.

Answer: -4

Question: What is the solution?

Solve -112*c - 1649 = 679 + 1639 - 271 for c.

Answer: -33

Question: What is the solution?

Solve 454*n = 129*n - 10075 for n.

Answer: -31

Question: What is the solution?

Solve -386*v - 16543 - 1868 + 1813 = 0 for v.

Answer:
-43