Question: What is the solution?

Solve 52*k + 39*k + 854 = 217 for k.

Answer: -7

Question: What is the solution?

Solve -8*n - 57 = 5*n - 10*n for n.

Answer: -19

Question: What is the solution?

Solve 0 = -6*v + 11*v - 15 for v.

Answer: 3

Question: What is the solution?

Solve 0 = -26*i + 3 - 29 for i.

Answer:
-1