Question: What is the solution?

Solve o + 9*o - 20 = 0 for o.

Answer: 2

Question: What is the solution?

Solve 13*l + 7 + 11 = 10*l for l.

Answer: -6

Question: What is the solution?

Solve -11*k + 13 = 24 for k.

Answer: -1

Question: What is the solution?

Solve -247*q = 82*q - 2303 for q.

Answer:
7