Question: What is the solution?

Solve -27*q + 10 = -25*q for q.

Answer: 5

Question: What is the solution?

Solve 25*z + 66*z + 1274 = 0 for z.

Answer: -14

Question: What is the solution?

Solve 1950*a = 1872*a - 780 for a.

Answer: -10

Question: What is the solution?

Solve 0 = 51*k - 22*k + 116 for k.

Answer:
-4