Question: What is the solution?

Solve 4*n = 18 - 42 for n.

Answer: -6

Question: What is the solution?

Solve 5*a + 4 = -6 for a.

Answer: -2

Question: What is the solution?

Solve -6*q - 1462 = -1474 for q.

Answer: 2

Question: What is the solution?

Solve 3*o = -3*o + 23*o - 68 for o.

Answer:
4