Question: What is the solution?

Solve 7*l - 7 = -0 for l.

Answer: 1

Question: What is the solution?

Solve -142*n - 52*n - 11016 = 130*n for n.

Answer: -34

Question: What is the solution?

Solve -209*x + 8325 + 694 + 409 + 395 = 0 for x.

Answer: 47

Question: What is the solution?

Solve -6*r = 10 + 2 for r.

Answer:
-2