Question: What is the solution?

Solve 1221*m + 31488 + 23457 = 0 for m.

Answer: -45

Question: What is the solution?

Solve 87*d - 1623 - 89 = 142*d + 52*d for d.

Answer: -16

Question: What is the solution?

Solve -247*o + 1936 = -669*o + 301*o for o.

Answer: -16

Question: What is the solution?

Solve -311*q = -316*q + 25 for q.

Answer:
5