Question: What is the solution?

Solve 167*r + 2613 + 226 = 0 for r.

Answer: -17

Question: What is the solution?

Solve -d = 15*d + 6*d for d.

Answer: 0

Question: What is the solution?

Solve 12*w + 106 = 70*w + 1266 for w.

Answer: -20

Question: What is the solution?

Solve -1558202 + 1552773 = -89*v for v.

Answer:
61