Question: What is the solution?

Solve -44*r + 4638 = 4726 for r.

Answer: -2

Question: What is the solution?

Solve -4583*d = 1740*d + 1033*d - 1515*d - 461439 for d.

Answer: 79

Question: What is the solution?

Solve -48686 + 11642 - 35919 = 1328*m + 2733 for m.

Answer: -57

Question: What is the solution?

Solve -479 - 65 = -136*o for o.

Answer:
4