Question: What is the solution?

Solve 91*l + 86*l + 1947 = 0 for l.

Answer: -11

Question: What is the solution?

Solve 0 = 7*u + 17*u + 330 - 42 for u.

Answer: -12

Question: What is the solution?

Solve 203*n - 33*n = -67*n + 9006 for n.

Answer: 38

Question: What is the solution?

Solve 14 = -n + 16 for n.

Answer:
2