Question: What is the solution?

Solve 2*l = 5 + 1 for l.

Answer: 3

Question: What is the solution?

Solve 0 = 6*a - 15*a + 18 for a.

Answer: 2

Question: What is the solution?

Solve 0 = -n - 28 + 23 for n.

Answer: -5

Question: What is the solution?

Solve 0 = -430*a - 2043*a - 1242 - 23488 for a.

Answer:
-10