Question: What is the solution?

Solve -31799 = 353*n - 876*n - 573*n + 17521 for n.

Answer: 45

Question: What is the solution?

Solve -1151*x + 1144*x = 77 for x.

Answer: -11

Question: What is the solution?

Solve 0 = -7*n - 6*n + 13 for n.

Answer: 1

Question: What is the solution?

Solve 2*l - 15 = -13 for l.

Answer:
1