Question: What is the solution?

Solve 2*l + 13 = 11 for l.

Answer: -1

Question: What is the solution?

Solve 17005 - 17257 = 21*p for p.

Answer: -12

Question: What is the solution?

Solve 254*i - 4249*i + 464814 = -306*i for i.

Answer: 126

Question: What is the solution?

Solve -590*h - 537*h = -1176*h - 441 for h.

Answer:
-9