Question: What is the solution?

Solve -929 - 634 = 98*r - 55*r - 273 for r.

Answer: -30

Question: What is the solution?

Solve -10*m = 99 - 39 for m.

Answer: -6

Question: What is the solution?

Solve -3663*t - 11802*t = -185580 for t.

Answer: 12

Question: What is the solution?

Solve -19*n = -15*n + 16 for n.

Answer:
-4